Climate and monthly weather forecastZanjan, Iran
Climate and monthly weather forecast
The climate of Zanjan
Zanjan, Iran, experiences predominantly a Dsb type of Köppen climate classification, humming with a blend of humid continental and dry warm summer weather. It straddles the coordinates, residing in the broad expanse of mountainous terrain, contributing significantly to its explicit weather narrative. The city undergoes marked variations between its warmest and coldest months, lending a diverse spectacle to perceive.Commencing with ups and downs in temperature, Zanjan witnesses an annual temperature variant stretching from -5.7°C (21.7°F) in the cold January to a sweltering 28.7°C (83.7°F) in the warmest month, July. The minimum temperatures prevail mostly in winter, while maximum temperatures operate dominantly in the summer. Rainfall also accentuates the climate characterization of Zanjan with the peak rainy month being April with 64mm (2.52") of precipitation dropped, while the most parched month would be August, delivering a negligible 5mm (0.2") of rainfall. The humidity levels also follow a cyclic pattern rising from 44% in June to 76% in February.
A noteworthy feature about Zanjan's weather is its snowfall patterns. With substantial snowfall observed between January, February and December with measures of 175mm (6.89"), 160mm (6.3") and 135mm (5.31") of snow respectively, winter in Zanjan paints a frosty picture. On the contrary, a dry spell remains dominant from May to September with no snowfall occurring, resonating with the warmer climate.
The best time to visit Zanjan
Cruising through the climate credentials, the best time to visit Zanjan would undoubtedly be between May and September. This period not only welcomes the highest temperatures, spanning from 20.8°C (69.4°F) to 28.7°C (83.7°F), but also boasts distinguished daylight hours. May persistently holds the longest daylight hours with 14.1 hours, facilitating longer exploration times. Additionally, these months experience negligible rainfall levels, with August managing a mere 5mm (0.2"), offering the perfect weather to indulge in a plethora of outdoor activities.The worst time to visit Zanjan
On the flip side, the least appealing time to visit Zanjan would be between December and February. During these months, temperatures plunge into negative territories ranging from -2.9°C (26.8°F) to -5.7°C (21.7°F). Hardly any daylight reaches Zanjan during this period with the shortest day length being 9.7 hours in December. Adding to the gloom, the city becomes a cold cage with heavy snowfall documented primarily in January with 175mm (6.89") of snow.Spring weather in Zanjan
Sprouting in March, Spring in Zanjan unfurls a pleasant shift in weather. From March to May, temperatures moderately escalate, progressing from a lowly 0°C (32°F) to a peak of 20.8°C (69.4°F) in May. The city also undergoes a transition in terms of rainfall with an increase from 48mm (1.89") in March to a peak of 64mm (2.52") in April.Summer weather in Zanjan
The arrival of summer from June to August catapults the city into a realm of warmth. The mercury levels peak during this season, rising to their maximum at 28.7°C (83.7°F) in July. Corresponding to the rise in temperature, the rainfall levels nosedive, laying the blueprint for an arid weather. A scarcity of rainfall persists during these months, easing to a minimum of 5mm (0.2") in August.Autumn weather in Zanjan
Autumn or fall in Zanjan, spanning from September to November, introduces a soothing balance in the city's weather. The extremes in temperature start to moderate with a regression from 23.7°C (74.7°F) in September to 8.4°C (47.1°F) in November. Rainfall commences its return, albeit slowly, with an increment from 5mm (0.2") in September to 30mm (1.18") in November.Winter weather in Zanjan
Winter in Zanjan, from December through February, turns the city into a canvas of frost. Temperatures dive below the freezing point, declining even to -5.7°C (21.7°F) in January. These colder temperatures are accompanied by generous bouts of snowfall, recorded extensively at 175mm (6.89") in January. Simultaneously, the rainfall remains modest, measuring 30mm (1.18") each in December, January and February respectively.Weather in January
The onset of the year in Zanjan, Iran, is characterized by cold temperatures with January firmly in the clutch of winter. This month sees the most snowfall with a hefty 175mm (6.89") of snow covering the town over 11.3 days on average. Weather in January »Weather in February
The February weather in Zanjan shows little respite from the winter chill but is marginally warmer than the preceding month. Snow continues to grace the city, though slightly less than January with 160mm (6.3") of snowfall on average. Weather in February »Weather in March
The weather in March signals the end of the winter season and the beginning of spring in Zanjan. Temperatures begin to rise, and March sees a significant decrease in snowfall with an average of 158mm (6.22") over 6.8 days compared to the preceding months. Weather in March »Weather in April
Spring gets into full swing in Zanjan during April, featuring comfortable temperatures and extended daylight hours. The snowfall further reduces to 62mm (2.44") on average, making room for flowering spring blooms. The city's relative humidity declines while the wind flow remains steady, ensuring pleasant weather conditions for outdoor activities. Weather in April »Weather in May
May, the last month of the spring in Zanjan, is an agreeable month, with an average temperature fluctuating between 20.8°C (69.4°F) and 9.8°C (49.6°F). As Zanjan enters May, the average high-temperature increases from the a mild 14.3°C (57.7°F) of April to an agreeable 20.8°C (69.4°F). Weather in May »Weather in June
June ushers in the summer season in Zanjan. The weather turns significantly warmer, and the city basks in the highest average daylight time of 14.6 hours. Wind speed remains relatively stable, while the city experiences minimal rainfall. Weather in June »Weather in July
July, the peak of summer in Zanjan, manifests as the warmest month with the highest average temperatures. It observes the maximum UV index of 6 among all months, while simultaneously recording the lowest pressure reading of 1008.8mb. Weather in July »Weather in August
August weather in Zanjan brings a slight reprieve from the heat of July, offering a more pleasant summer experience. Temperature decreases subtly, while the UV index continues to hold at 5 along with enduring high daylight hours. Weather in August »Weather in September
September in Zanjan marks a transition from summer to autumn with a significant drop in temperature. Aligning with this transition, the month records only 5mm (0.2") of rainfall on average, making it one of the driest periods in the annual weather cycle. Weather in September »Weather in October
October solidifies the arrival of the autumnal season in Zanjan, as temperatures continue to drop while daylight hours reduce. Rainfall begins in earnest with an average accumulation of 29mm (1.14"). Balancing the cool, windy atmosphere, the relative humidity and cloud coverage increase during October. Weather in October »Weather in November
November marks the start of Zanjan's winter period as temperatures plunge further. Snow makes a comeback in the city's weather, amounting to an average of 67mm (2.64") over 3.5 days in the month. The wind speed decreases and the city bears a considerable drop in UV index rating to 2. Weather in November »Weather in December
December brings the coldest weather of the year to Zanjan, reinforcing the winter's presence. A significant increase in snowfall is observed as 135mm (5.31") of snow blankets the city over an average of 8.7 days. The month experiences a rise in relative humidity, while pressure levels climb to their highest at 1022.2mb. Weather in December »Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With an average high-temperature of 1°C (33.8°F) and an average low-temperature of -5.7°C (21.7°F), January is the coldest month.
Throughout the year, there are 107.9 rainfall days, and 343mm (13.5") of precipitation is accumulated.
January through April, October through December are months with snowfall in Zanjan.
The month with the most snowfall in Zanjan is January, when snow falls for 11.3 days and typically aggregates up to 175mm (6.89") of snow.
Throughout the year, in Zanjan, Iran, there are 42.1 snowfall days, and 766mm (30.16") of snow is accumulated.
The months with the least sunshine in Zanjan, Iran, are January and December, with an average of 6.5h of sunshine.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Zanjan.
February is the most humid month in Zanjan, with an average relative humidity of 76%.
The month with the most rainfall in Zanjan is April, when the rain falls for 16.2 days and typically aggregates up to 64mm (2.52") of precipitation.
In Zanjan, snow does not fall in May through September.
With an average relative humidity of 44%, June is the least humid month in Zanjan, Iran.
The month with the longest days in Zanjan, Iran, is June, with an average of 14h and 36min of daylight.
With an average of 12h of sunshine, June has the most sunshine of the year.
The months with the highest UV index in Zanjan, Iran, are June and July, with an average maximum UV index of 6.
July, on average, is the warmest month in Zanjan, Iran, registering a high temperature of 28.7°C (83.7°F) and a low of 15.6°C (60.1°F).
August and September are months with the least rain in Zanjan when the rain falls for 3.4 days and typically aggregates up to 5mm (0.2") of rain.
December has the shortest days of the year in Zanjan, with an average of 9h and 42min of daylight.
Zanjan does not observe Daylight Saving Time (DST). +0330 timezone is used over the entire year.
Average temperature
Zanjan, Iran
The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (1°C).
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure
Zanjan, Iran
- Average pressure in January:
1021.3mbar - Average pressure in February:
1019.7mbar - Average pressure in March:
1016.2mbar - Average pressure in April:
1015mbar - Average pressure in May:
1013.4mbar - Average pressure in June:
1010.8mbar
- Average pressure in July:
1008.8mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1014.2mbar - Average pressure in October:
1018.5mbar - Average pressure in November:
1021.2mbar - Average pressure in December:
1022.2mbar
The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed
Zanjan, Iran
- Average wind speed in January:
11.1km/h - Average wind speed in February:
11km/h - Average wind speed in March:
13.5km/h - Average wind speed in April:
12.7km/h - Average wind speed in May:
11.9km/h - Average wind speed in June:
11.6km/h
- Average wind speed in July:
13km/h - Average wind speed in August:
12.4km/h - Average wind speed in September:
11km/h - Average wind speed in October:
11.1km/h - Average wind speed in November:
9.9km/h - Average wind speed in December:
10.4km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is November (9.9km/h).
Average humidity
Zanjan, Iran
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is June (44%).
Average rainfall
Zanjan, Iran
The wettest month (with the highest rainfall) is April (64mm).
The driest months (with the least rainfall) are August and September (5mm).
Average rainfall days
Zanjan, Iran
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
6.5 days
- Average rainfall days in July:
4.6 days - Average rainfall days in August:
3.4 days - Average rainfall days in September:
4.5 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (3.4 days).
Average snowfall
Zanjan, Iran
The month with the highest snowfall is January (175mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Zanjan, Iran
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
10 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Zanjan, Iran
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
7h and 0min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 24min - Average sunshine in May:
11h and 24min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days
Zanjan, Iran
- Average sunshine days in January:
17 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
19.8 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
25.2 days - Average sunshine days in September:
22.6 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
18 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (10.3 days).
Average UV index
Zanjan, Iran
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Zanjan, Iran
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility
Zanjan, Iran
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
