Climate in Bushehr (Iran)

The climate of Bushehr is subtropical semi-arid (according to the Köppen classification, hot semi-arid climate - BSh), with very mild winters and very hot, muggy and sunny summers. Precipitation, scarce, occurs mostly between November and March.
Bushehr is a city of 225,000 inhabitants located in the south-west of Iran, at almost 29 degrees north latitude, on a small peninsula on the coast of the Persian Gulf.
About 55 km (35 mi) to the northwest is the island of Khark.

The winter, from December to February, is very mild, so much so that the average temperature in January is 16 °C (61 °F). However, there can be short periods of cool weather, during which the temperature can drop to around 5 °C (41 °F) at night and remain at 11/12 °C (52/54 °F) during the day. In January 2012 and February 2017, it dropped to 3.5 °C (38.5 °F).

Summer, from June to August, is very hot, with an unpleasant combination of humidity and temperature. In return, the northwest wind blows constantly. Temperatures remain high even at night, sometimes even 31/32 °C (88/90 °F).
Due to the mitigating effect of the sea, it is not as hot as in the province of Khuzistan, however, sometimes the temperature can reach 44/46 °C (111/115 °F) from May to August. In August 2023, it reached 47.4 °C (117.3 °F).

Bushehr - Climate data

In Bushehr, the average temperature of the coldest month (January) is of 16.1 °C (61 °F), that of the warmest month (August) is of 34.2 °C (93.6 °F). Here are the average temperatures.
Precipitation amounts to 260 millimeters (10.2 inches) per year: it is therefore scarce. It ranges from 0 mm (0 in) in the driest months (June, September) to 78.1 mm (3.1 in) in the wettest one (January). Here is the average precipitation.
The sea temperature ranges from 18.5 °C (65 °F) in February to
There are on average around 3140 sunshine hours per year. Here are the average hours of sunshine per day.

Bushehr - Weather by month

Based on the period 1991-2020

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January, the coldest month of the year, is generally a very mild month. The average temperature is of 16.1 °C (61 °F), with a minimum of 12.2 °C (54 °F) and a maximum of 20 °C (68 °F).
On the coldest nights of the month, the temperature usually drops to around 6 °C (43 °F). However, it dropped to 3.5 °C (38.3 °F) in January 2012.
On the warmest days of the month, the temperature usually reaches around 26 °C (79 °F). However, it reached 31.4 °C (88.5 °F) in January 2012.
Precipitation amounts to 78.1 mm (3.1 in), distributed over 5 days.
The day lasts on average 10 hours and 30 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 65%.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 19.5 °C (67.5 °F). Therefore, the sea is very cool for swimming.

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February is generally a very mild month. The average temperature is of 17.2 °C (63 °F), with a minimum of 13.4 °C (56.1 °F) and a maximum of 21.1 °C (70 °F).
On the coldest nights of the month, the temperature usually drops to around 7 °C (44.5 °F). However, it dropped to 3.4 °C (38.1 °F) in February 2017.
On the warmest days of the month, the temperature usually reaches around 28 °C (82.5 °F). However, it reached 32.2 °C (90 °F) in February 2016.
Precipitation amounts to 25.9 mm (1 in), distributed over 3 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 64%.
The average wind speed is 14 kph (8 mph).
The average sea temperature is of 18.5 °C (65 °F). Therefore, the sea is very cool for swimming.

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March is generally a warm month. The average temperature is of 20.4 °C (69 °F), with a minimum of 16.3 °C (61.3 °F) and a maximum of 24.4 °C (75.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 11 °C (51.5 °F). However, it dropped to 7 °C (44.6 °F) in March 2012.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32 °C (90 °F). However, it reached 36.2 °C (97.2 °F) in March 2018.
Precipitation amounts to 19.6 mm (0.8 in), distributed over 3 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 58%.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 19 °C (66.5 °F). Therefore, the sea is very cool for swimming.

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April is generally a warm to hot month. The average temperature is of 25.4 °C (78 °F), with a minimum of 21.1 °C (70 °F) and a maximum of 29.6 °C (85.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 14.5 °C (58.5 °F). However, it dropped to 11.8 °C (53.2 °F) in April 2016.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 38 °C (100.5 °F). However, it reached 42 °C (107.6 °F) in April 2007.
Precipitation amounts to only 6.1 mm (0.2 in), distributed over 2 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 53%.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 22 °C (72 °F). Therefore, the sea is cool for swimming.

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May is generally a very hot month. The average temperature is of 30 °C (86 °F), with a minimum of 25.9 °C (78.6 °F) and a maximum of 34.2 °C (93.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 20.5 °C (68.5 °F). However, it dropped to 17 °C (62.6 °F) in May 2012.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 40.5 °C (105 °F). However, it reached 44 °C (111.2 °F) in May 2009.
Precipitation amounts to only 1.5 mm (0.1 in), distributed over 0 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 51%.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 26 °C (79 °F). Therefore, the sea is warm enough for swimming.

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June is generally a scorchingly hot month. The average temperature is of 32.2 °C (90 °F), with a minimum of 28.6 °C (83.5 °F) and a maximum of 35.8 °C (96.4 °F).
On the coldest nights, the temperature usually drops to around 24 °C (75.5 °F). However, it dropped to 22.6 °C (72.7 °F) in June 2017.
On the warmest days, the temperature usually reaches around 41.5 °C (107 °F). However, it reached 45.5 °C (113.9 °F) in June 2009.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 14 hours and 0 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 11 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 54%.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 29.5 °C (84.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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July is generally a scorchingly hot month. The average temperature is of 33.8 °C (93 °F), with a minimum of 30.4 °C (86.7 °F) and a maximum of 37.1 °C (98.8 °F).
On the coldest nights of the month, the temperature usually drops to around 26 °C (79 °F). However, it dropped to 23.6 °C (74.5 °F) in July 2002.
On the warmest days of the month, the temperature usually reaches around 42 °C (108 °F). However, it reached 46 °C (114.8 °F) in July 2017.
Precipitation amounts to only 0.5 mm (0 in), distributed over 0 days.
The day lasts on average 13 hours and 50 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 57%.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 31.5 °C (88.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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August, the hottest month of the year, is generally a scorchingly hot month. The average temperature is of 34.2 °C (94 °F), with a minimum of 30.7 °C (87.3 °F) and a maximum of 37.7 °C (99.9 °F).
On the coldest nights of the month, the temperature usually drops to around 27.5 °C (81 °F). However, it dropped to 22.6 °C (72.7 °F) in August 1992.
On the warmest days of the month, the temperature usually reaches around 41.5 °C (106.5 °F). However, it reached 46 °C (114.8 °F) in August 2012.
Precipitation amounts to only 0.4 mm (0 in), distributed over 0 days.
The day lasts on average 13 hours and 5 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 61%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 32.5 °C (91 °F). Therefore, the sea is pleasantly warm and allows long swims.

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September is generally a scorchingly hot month. The average temperature is of 32.2 °C (90 °F), with a minimum of 28.1 °C (82.6 °F) and a maximum of 36.4 °C (97.5 °F).
On the coldest nights, the temperature usually drops to around 24 °C (75 °F). However, it dropped to 21.6 °C (70.9 °F) in September 2009.
On the warmest days, the temperature usually reaches around 40 °C (104.5 °F). However, it reached 43.2 °C (109.8 °F) in September 2016.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 12 hours and 20 minutes.
There are on average 10 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 59%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 32 °C (89.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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October is generally a very hot month. The average temperature is of 28.6 °C (84 °F), with a minimum of 24.1 °C (75.4 °F) and a maximum of 33.2 °C (91.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 18.5 °C (65.5 °F). However, it dropped to 15 °C (59 °F) in October 2011.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 36.5 °C (98 °F). However, it reached 42.4 °C (108.3 °F) in October 2015.
Precipitation amounts to only 6.9 mm (0.3 in), and all occurs in one day.
The day lasts on average 11 hours and 30 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 58%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 29.5 °C (85.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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November is generally a warm to hot month. The average temperature is of 22.8 °C (73 °F), with a minimum of 18.4 °C (65.1 °F) and a maximum of 27.2 °C (81 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 12 °C (54 °F). However, it dropped to 10 °C (50 °F) in November 2007.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 34.5 °C (94.1 °F) in November 2009.
Precipitation amounts to 60.1 mm (2.4 in), distributed over 4 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 59%.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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December is generally a warm month. The average temperature is of 18.2 °C (65 °F), with a minimum of 14 °C (57.2 °F) and a maximum of 22.3 °C (72.1 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46.5 °F). However, it dropped to 5 °C (41 °F) in December 2013.
On the warmest days of the month, the temperature usually reaches around 26.5 °C (80 °F). However, it reached 32.8 °C (91 °F) in December 2016.
Precipitation amounts to 60.9 mm (2.4 in), distributed over 4 days.
The day lasts on average 10 hours and 20 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 6.5 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 67%.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 22.5 °C (72.5 °F). Therefore, the sea can be considered barely acceptable for swimming.