May weather forecastIran, Russia

May

Weather in May

May, the last month of the spring in Iran, is an enjoyable month, with an average temperature varying between 9.5°C (49.1°F) and 19.2°C (66.6°F).

Temperature

The start of May brings a rise in the average high-temperature, moving from a mild 14.1°C (57.4°F) in April to an enjoyable 19.2°C (66.6°F). Iran experiences a nighttime temperature average of 9.5°C (49.1°F) during May.

Humidity

In Iran, Russia, the average relative humidity in May is 77%.

Rainfall

In May, the rain falls for 23.1 days. Throughout May, 118mm (4.65") of precipitation is accumulated. In Iran, during the entire year, the rain falls for 156.1 days and collects up to 619mm (24.37") of precipitation.

Snowfall

In Iran, Russia, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 41min.
On the first day of the month, sunrise is at 04:56 and sunset at 19:05. On the last day of May, sunrise is at 04:26 and sunset at 19:36 MSK.

Sunshine

The average sunshine in May in Iran is 9.6h.

UV index

In Iran, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

During May, Iran experiences an average high-temperature of 19.2°C (66.6°F) and a low-temperature of 9.5°C (49.1°F).

The average relative humidity in May in Iran, Russia, is 77%.

In Iran, during May, the rain falls for 23.1 days and regularly aggregates up to 118mm (4.65") of precipitation.

May through September are months without snowfall in Iran.

In May, in Iran, Russia, it doesn't snow. April is the latest month when it typically snows.

In Iran, Russia, the average day length in May is 14h and 41min.

On the first day of May in Iran, Russia, sunrise is at 04:56 and sunset at 19:05. On the last day of the month, sunrise is at 04:26 and sunset at 19:36 MSK.

The average sunshine duration in May is 9.6h.

In May, the average daily maximum UV index in Iran, Russia, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Iran, Russia

  • Average high temperature in May: 19.2°C

The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in May: 9.5°C

The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).

Average pressure in May
Iran, Russia

  • Average pressure in May: 1014.1mbar

The month with the highest atmospheric pressure is November (1021.9mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).

Average wind speed in May
Iran, Russia

  • Average wind speed in May: 7.9km/h

The windiest month (with the highest average wind speed) is April (8.8km/h).
The calmest month (with the lowest average wind speed) is December (5.9km/h).

Average humidity in May
Iran, Russia

  • Average humidity in May: 77%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (68%).

Average rainfall in May
Iran, Russia

  • Average rainfall in May: 118mm

The wettest month (with the highest rainfall) is June (131mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days in May
Iran, Russia

  • Average rainfall days in May: 23.1 days

The month with the highest number of rainy days is May (23.1 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in May
Iran, Russia

  • Average snowfall in May: 0mm

The month with the highest snowfall is March (136mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in May
Iran, Russia

  • Average snowfall days in May: 0 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 in May /
Average sunshine in May
Iran, Russia

  • Average daylight in May: 14h and 42min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 9h and 36min

The month with the most sunshine is August (Average sunshine: 11h and 24min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

Average sunshine days in May
Iran, Russia

  • Average sunshine days in May: 5.3 days

The month with the most sunshine days is October (19.7 days).
The months with the least sunshine days are May and June (5.3 days).

Average UV index in May
Iran, Russia

  • Average UV index in May: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Iran, Russia

  • Average cloud cover in May: 37

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in May
Iran, Russia

  • Average visibility in May: 9km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).