May weather forecast
Moscow, Russia

May in Moscow marks the arrival of the warm season with temperatures rising considerably. The city witnesses a significant transition in its weather with the onset of summer. May experiences warmer temperatures with a high nearing 18.6°C (65.5°F) and a low of around 7.7°C (45.9°F). As the city’s most pleasantly warm month, more outdoor events and activities can be observed during this time. With more daylight hours and fewer days of rainfall, May is an enjoyable time to experience Moscow’s vibrant summer vibe.

Temperature

The commencement of May in Moscow, Russia, sees a shift in the average high-temperature, moving from a fresh 11.3°C (52.3°F) in April to a refreshing 18.6°C (65.5°F). An average low-temperature of 7.7°C (45.9°F) is observed during May nights in Moscow.

Humidity

The least humid month is May, with an average relative humidity of 64%.

Rainfall

In Moscow, in May, during 13 rainfall days, 49mm (1.93") of precipitation is typically accumulated. Throughout the year, in Moscow, there are 105.5 rainfall days, and 707mm (27.83") of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Moscow. May is the last month it regularly snows. Throughout May, there are 0.1 snowfall days. In Moscow, during the entire year, snow falls for 72.2 days.

Daylight

The average length of the day in May in Moscow is 16h and 18min.
On the first day of May, sunrise is at 04:45 and sunset at 20:08. On the last day of the month, sunrise is at 03:53 and sunset at 21:01 MSK.

Sunshine

In May, the average sunshine is 8.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.