May weather forecastKaraj, Iran
May
Weather in May
May in Karaj is synonymous with the onset of summer and brings with it all the joys associated with warm weather. Spring's leftover petals make way for summer blooms, gracing the city with a wide spectrum of colors. The land starts absorbing more sunlight and temperatures steadily rise, heralding the arrival of the summer season. With May experiencing peak daylight hours of 14.1, the city receives abundant sunshine. By month's end, the occasional cool breeze seems to bid farewell, making room for hotter days ahead.Temperature
The average high-temperature increases in May, moving from an agreeable 20.7°C (69.3°F) in April to a moderately hot 26.2°C (79.2°F). Following the sharp contrast to daytime warmth, an average nighttime temperature of 12.2°C (54°F) gets registered during May.Humidity
In May, the average relative humidity is 43%.Rainfall
In Karaj, Iran, during May, the rain falls for 3.7 days and regularly aggregates up to 20mm (0.79") of precipitation. In Karaj, during the entire year, the rain falls for 44.3 days and collects up to 252mm (9.92") of precipitation.Snowfall
In Karaj, snow does not fall in May through October.Daylight
In Karaj, Iran, the average length of the day in May is 14h and 4min.On the first day of May in Karaj, sunrise is at 05:13 and sunset at 18:53. On the last day of the month, sunrise is at 04:51 and sunset at 19:16 +0330.
Sunshine
In Karaj, the average sunshine in May is 9.1h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Karaj, Iran
- Average high temperature in May: 26.2°C
The warmest month (with the highest average high temperature) is July (35.2°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in May: 12.2°C
The month with the highest average low temperature is August (19.1°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).
Average humidity in May
Karaj, Iran
- Average humidity in May: 43%
The month with the highest relative humidity is January (67%).
The months with the lowest relative humidity are June and August (34%).
Average rainfall in May
Karaj, Iran
- Average rainfall in May: 19.5mm
The wettest month (with the highest rainfall) is March (45.4mm).
The driest month (with the least rainfall) is August (1.2mm).
Average rainfall days in May
Karaj, Iran
- Average rainfall days in May: 3.7 days
The month with the highest number of rainy days is March (6.7 days).
The months with the least rainy days are August and September (0.3 days).
Average snowfall days in May
Karaj, Iran
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Karaj, Iran
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).





