(according to the Köppen classification, cold semi-arid or steppe climate - BSk), with cold winters and hot, sunny summers.
, from December to February, is cold, with a daily average around freezing. Fog can form during periods of stable weather.
Given the low temperatures, snowfall is quite frequent, although generally not abundant, given the low level of precipitation. During cold spells, the temperature can drop to -20 °C (-4 °F) or below.
, from March to May, is a variable season, with temperature changes and gusts of wind. Furthermore, it is the rainiest season, also due to the thunderstorms that break out in April and May.
, from June to August, is hot and sunny. Temperatures are not as high as in the central-southern part of the Iranian plateau, furthermore, air humidity is not high. However, heat waves are possible, with peaks of 38/40 °C (100/104 °F).
Zanjan is a city of 430,000 inhabitants located in the northwest of Iran, at 36 degrees north latitude and 1,650 meters (5,400 feet) above sea level, and is the capital of the province of the same name. We are on the northern edge of the Iranian plateau. To the northeast, beyond the Talych mountains are the city of Rasht and the coast of the Caspian Sea.
. Here are the average temperatures.
January, the coldest month of the year, is generally a cold month. The average temperature is of
0.1 °C, with a minimum of
-5.2 °C and a maximum of
5.5 °C.
On the coldest nights of the month, the temperature usually drops to around
-16 °C. However, it dropped to
-25.6 °C in January 1992.
On the warmest days of the month, the temperature usually reaches around
10.5 °C. However, it reached
16.9 °C in January 2018.
Precipitation amounts to
26 mm, distributed over 5 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 68%.
The average wind speed is of
9.9 kph.
February is generally a cold month. The average temperature is of
2.2 °C, with a minimum of
-3.3 °C and a maximum of
7.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-13 °C. However, it dropped to
-24 °C in February 2012.
On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
20.8 °C in February 2016.
Precipitation amounts to
29 mm, distributed over 6 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 64%.
The average wind speed is of
10.8 kph.
March is generally a quite mild month. The average temperature is of
6.8 °C, with a minimum of
0.5 °C and a maximum of
13 °C.
On the coldest nights of the month, the temperature usually drops to around
-8.5 °C. However, it dropped to
-19.6 °C in March 1992.
On the warmest days of the month, the temperature usually reaches around
19.5 °C. However, it reached
27.2 °C in March 2018.
Precipitation amounts to
39.6 mm, distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 54%.
The average wind speed is of
12.1 kph.
April is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of
11.8 °C, with a minimum of
4.8 °C and a maximum of
18.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-6.6 °C in April 1992.
On the warmest days of the month, the temperature usually reaches around
24.5 °C. However, it reached
30 °C in April 2008.
Precipitation amounts to
51.3 mm, distributed over 8 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 50%.
The average wind speed is of
11.6 kph.
May is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
16 °C, with a minimum of
8.2 °C and a maximum of
23.9 °C.
On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-1.6 °C in May 2003.
On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
33.3 °C in May 2020.
Precipitation amounts to
38.8 mm, distributed over 7 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 46%.
The average wind speed is of
10.9 kph.
June is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
20.7 °C, with a minimum of
11.6 °C and a maximum of
29.8 °C.
On the coldest nights of the month, the temperature usually drops to around
7 °C. However, it dropped to
4 °C in June 2002.
On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
38.2 °C in June 2015.
Precipitation amounts to only
9.7 mm, distributed over 2 days.
The day lasts on average 14 hours and 35 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 11.5 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 36%.
The average wind speed is of
11.2 kph.
July, the warmest month of the year, is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
23.8 °C, with a minimum of
14.9 °C and a maximum of
32.8 °C.
On the coldest nights of the month, the temperature usually drops to around
10.5 °C. However, it dropped to
6.2 °C in July 1994.
On the warmest days of the month, the temperature usually reaches around
37.5 °C. However, it reached
40.5 °C in July 2015.
Precipitation amounts to only
8.4 mm, distributed over 2 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 11.5 hours of sunshine per day. So, the sun shines 78% of the time.
The average humidity is 36%.
The average wind speed is of
12.3 kph.
August is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
23.6 °C, with a minimum of
14.4 °C and a maximum of
32.9 °C.
On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
4.5 °C in August 2020.
On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
39.7 °C in August 2019.
Precipitation amounts to only
4.4 mm, and all occurs in one day.
The day lasts on average 13 hours and 30 minutes.
There are on average 11 hours of sunshine per day. So, the sun shines 83% of the time.
The average humidity is 34%. Hence, the air is normally dry.
The average wind speed is of
12 kph.
September is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
19.6 °C, with a minimum of
10.3 °C and a maximum of
28.9 °C.
On the coldest nights of the month, the temperature usually drops to around
4.5 °C. However, it dropped to
0.4 °C in September 1992.
On the warmest days of the month, the temperature usually reaches around
33.5 °C. However, it reached
36.9 °C in September 2017.
Precipitation amounts to only
3.3 mm, and all occurs in one day.
The day lasts on average 12 hours and 25 minutes.
There are on average 10.5 hours of sunshine per day. So, the sun shines 83% of the time.
The average humidity is 37%.
The average wind speed is of
10.6 kph.
October is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of
14 °C, with a minimum of
6.2 °C and a maximum of
21.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-0.5 °C. However, it dropped to
-4 °C in October 2005.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
30 °C in October 1997.
Precipitation amounts to
20.2 mm, distributed over 4 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 70% of the time.
The average humidity is 47%.
The average wind speed is of
9.3 kph.
November is generally a quite mild month. The average temperature is of
7.2 °C, with a minimum of
1.2 °C and a maximum of
13.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-7.5 °C. However, it dropped to
-17 °C in November 2016.
On the warmest days of the month, the temperature usually reaches around
19 °C. However, it reached
25 °C in November 2006.
Precipitation amounts to
36.5 mm, distributed over 5 days.
The day lasts on average 10 hours and 10 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 60%.
The average wind speed is of
9.3 kph.
December is generally a cold month. The average temperature is of
2.6 °C, with a minimum of
-2.8 °C and a maximum of
8 °C.
On the coldest nights of the month, the temperature usually drops to around
-12 °C. However, it dropped to
-24.8 °C in December 2006.
On the warmest days of the month, the temperature usually reaches around
13.5 °C. However, it reached
20.8 °C in December 1998.
Precipitation amounts to
28.5 mm, distributed over 5 days.
The day lasts on average 9 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 67%.
The average wind speed is of
9.1 kph.