May
Weather in May
Temperature
An escalation in the average high-temperature is seen with the onset of May, moving from a moderately hot 23.9°C (75°F) in April to a still warm 29.6°C (85.3°F). Semnan in May observes a sharp transition from the daytime heat, falling to an average low of 16.8°C (62.2°F).Humidity
The average relative humidity in May is 35%.Rainfall
In Semnan, in May, during 6.2 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, there are 48.7 rainfall days, and 140mm (5.51") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In May, the average length of the day is 14h and 3min.On the first day of the month, sunrise is at 05:04 and sunset at 18:43. On the last day of May, sunrise is at 04:42 and sunset at 19:06 +0330.
Sunshine
In Semnan, the average sunshine in May is 9h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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Average temperature in May
Semnan, Iran
- Average high temperature in May: 29.6°C
The warmest month (with the highest average high temperature) is July (37.8°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in May: 16.8°C
The month with the highest average low temperature is July (24.9°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average humidity in May
Semnan, Iran
- Average humidity in May: 35%
The month with the highest relative humidity is January (63%).
The months with the lowest relative humidity are June and July (28%).
Average rainfall in May
Semnan, Iran
- Average rainfall in May: 14.6mm
The wettest month (with the highest rainfall) is March (22.7mm).
The driest month (with the least rainfall) is September (1.4mm).
Average rainfall days in May
Semnan, Iran
- Average rainfall days in May: 6.2 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is September (0.8 days).
Average snowfall days in May
Semnan, Iran
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Semnan, Iran
- Average daylight in May: 14h and 0min
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 0min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
