Climate - Kyustendil (Bulgaria)

The climate of Kyustendil is continental, with cold winters and warm summers.
The city is located in the far west of Bulgaria, a short distance from the border with Serbia and Northern Macedonia, and at 560 meters (1,840 feet) above sea level. The climate is not very different from that of Sofia, given that the city is not far away and at the same altitude, although it is a bit milder because it is surrounded by high mountains from which warm, foehn-like winds can descend.
Winter is cold and gray, with snowfalls and frosts, although there are also some quite mild periods. Sometimes fog can form.
During cold spells, which occur every year or so, the temperature drops to -15 °C (5 °F) or below. The coldest record is -24.5 °C (-12 °F), recorded in January 1985.
Summer is hot and sunny, although thunderstorms can sometimes break out in the afternoon. The temperature range is high, so it can be cool, or even a little cold, at night, while during the day it can be very hot. The highest record is 42.5 °C (108.5 °F), recorded in July 2007.

Best Time

The best time to visit Kyustendil is from mid-May to late September, keeping in mind that it can sometimes be hot in July and August, and more rarely in the second half of June, so those who don't like the heat can avoid these periods. You should also take into account some afternoon thunderstorms, in addition, it's better to bring a sweatshirt for the evening, and maybe even a jacket if you go in May or September.

Kyustendil - Climate data

In Kyustendil, the average temperature of the coldest month (January) is of 0.2 °C (32.3 °F), that of the warmest month (August) is of 22.1 °C (71.8 °F). Here are the average temperatures.
In Kyustendil, precipitation amounts to 605 millimeters (23.8 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest month (January) to 70 mm (2.8 in) in the wettest one (June). Here is the average precipitation.
In Kyustendil, there are on average around 2190 sunshine hours per year. Here are the average hours of sunshine per day.

Kyustendil - Weather by month

Based on the period 1991-2013

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In January, the coldest month of the year, the weather in Kyustendil is usually cold. The average temperature is of 0.2 °C (32 °F), with a minimum of -4.7 °C (23.6 °F) and a maximum of 5 °C (41 °F).
On the coldest nights of the month, the temperature usually drops to around -14 °C (7 °F). However, it dropped to -20.1 °C (-4.2 °F) in January 2012.
On the warmest days of the month, the temperature usually reaches around 13.5 °C (56 °F). However, it reached 18.5 °C (65.3 °F) in January 2007.
Precipitation amounts to 35 mm (1.4 in), distributed over 6 days.
The day lasts on average 9 hours and 30 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 79%. Hence, the air is normally humid.

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In February, the weather in Kyustendil is usually cold. The average temperature is of 2.0 °C (36 °F), with a minimum of -3.8 °C (25.2 °F) and a maximum of 7.8 °C (46 °F).
On the coldest nights of the month, the temperature usually drops to around -13 °C (9 °F). However, it dropped to -21.4 °C (-6.5 °F) in February 2006.
On the warmest days of the month, the temperature usually reaches around 17 °C (63 °F). However, it reached 22 °C (71.6 °F) in February 2008.
Precipitation amounts to 40 mm (1.6 in), distributed over 6 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 77%. Hence, the air is normally humid.

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In March, the weather in Kyustendil is usually quite cold. However, there are remarkable differences between night and day. The average temperature is of 6.5 °C (44 °F), with a minimum of 0 °C (31.9 °F) and a maximum of 13.1 °C (55.5 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -7 °C (19 °F). However, it dropped to -11 °C (12.2 °F) in March 2005.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 22.5 °C (72.5 °F). However, it reached 27.2 °C (81 °F) in March 2001.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 71%. Hence, the air is normally humid.

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In April, the weather in Kyustendil is usually mild. However, there are remarkable differences between night and day. The average temperature is of 11.2 °C (52 °F), with a minimum of 4.4 °C (39.9 °F) and a maximum of 18 °C (64.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -3 °C (27 °F). However, it dropped to -9.6 °C (14.7 °F) in April 2003.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25.5 °C (78 °F). However, it reached 30.5 °C (86.9 °F) in April 2013.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 65%.

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In May, the weather in Kyustendil is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 16.0 °C (61 °F), with a minimum of 8.8 °C (47.9 °F) and a maximum of 23.2 °C (73.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3 °C (37 °F). However, it dropped to -0.5 °C (31.1 °F) in May 2004.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (86.5 °F). However, it reached 36.5 °C (97.7 °F) in May 2012.
Precipitation amounts to 60 mm (2.4 in), distributed over 9 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
There are on average 7.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 67%.

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In June, the weather in Kyustendil is usually warm. However, there are remarkable differences between night and day. The average temperature is of 19.7 °C (67 °F), with a minimum of 12.1 °C (53.7 °F) and a maximum of 27.2 °C (81.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6 °C (42.5 °F). However, it dropped to 0 °C (32 °F) in June 1992.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 38.2 °C (100.8 °F) in June 2007.
Precipitation amounts to 70 mm (2.8 in), distributed over 8 days.
The day lasts on average 15 hours and 10 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 9 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 67%.

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In July, the weather in Kyustendil is usually warm. However, there are remarkable differences between night and day. The average temperature is of 22.0 °C (72 °F), with a minimum of 13.9 °C (57 °F) and a maximum of 30 °C (86 °F).
On the coldest nights of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 4.5 °C (40.1 °F) in July 1993.
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 42.4 °C (108.3 °F) in July 2007.
Precipitation amounts to 60 mm (2.4 in), distributed over 6 days.
The day lasts on average 14 hours and 55 minutes. So the days are long.
There are on average 10 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 63%.

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In August, the warmest month of the year, the weather in Kyustendil is usually warm. However, there are remarkable differences between night and day. The average temperature is of 22.1 °C (72 °F), with a minimum of 13.7 °C (56.7 °F) and a maximum of 30.4 °C (86.8 °F).
On the coldest nights of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 5.5 °C (41.9 °F) in August 1995.
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 40.1 °C (104.2 °F) in August 2012.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 13 hours and 50 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 62%.

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In September, the weather in Kyustendil is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 17.2 °C (63 °F), with a minimum of 9.4 °C (48.9 °F) and a maximum of 25.1 °C (77.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 3 °C (38 °F). However, it dropped to 0.1 °C (32.2 °F) in September 2012.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32 °C (90 °F). However, it reached 36.5 °C (97.7 °F) in September 1994.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 64%.

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In October, the weather in Kyustendil is usually mild. However, there are remarkable differences between night and day. The average temperature is of 12.4 °C (54 °F), with a minimum of 5.4 °C (41.7 °F) and a maximum of 19.4 °C (67 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -3 °C (26.5 °F). However, it dropped to -6.4 °C (20.5 °F) in October 2011.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 28 °C (83 °F). However, it reached 33 °C (91.4 °F) in October 1993.
Precipitation amounts to 55 mm (2.2 in), distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 71%. Hence, the air is normally humid.

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In November, the weather in Kyustendil is usually quite cold. The average temperature is of 6.2 °C (43 °F), with a minimum of 0.4 °C (32.7 °F) and a maximum of 12 °C (53.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -7.5 °C (18 °F). However, it dropped to -12.5 °C (9.5 °F) in November 1995.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 21.5 °C (70.5 °F). However, it reached 26.7 °C (80.1 °F) in November 2008.
Precipitation amounts to 50 mm (2 in), distributed over 6 days.
The day lasts on average 9 hours and 50 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 78%. Hence, the air is normally humid.

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In December, the weather in Kyustendil is usually cold. The average temperature is of 1.1 °C (34 °F), with a minimum of -3.2 °C (26.2 °F) and a maximum of 5.5 °C (41.9 °F).
On the coldest nights of the month, the temperature usually drops to around -13 °C (9 °F). However, it dropped to -21.5 °C (-6.7 °F) in December 2001.
On the warmest days of the month, the temperature usually reaches around 15 °C (59 °F). However, it reached 20.8 °C (69.4 °F) in December 2010.
Precipitation amounts to 55 mm (2.2 in), distributed over 8 days.
The day lasts on average 9 hours and 5 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 2 hours of sunshine per day. So, the sun shines 23% of the time.
The average humidity is 81%. Hence, the air is normally humid.