May Weather in Moscow, United States

Last updated: June 24, 2025

In Moscow, United States, the average temperature in May is a mild 15°C (58°F), though it can fluctuate between a chilling -3°C (28°F) and a warm 31°C (88°F). Expect 132 mm (5.2 in) of precipitation spread over about 15 days, and enjoy a comfortable average humidity of 75%.

May Temperature in Moscow

In May in Moscow, the average temperature is 15°C (58°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -3°C (28°F). This wide range of temperatures means travelers should be prepared for both warm days and cool nights.

May Weather in Moscow: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Moscow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Moscow, May typically has an average temperature of 15°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -3°C (28°F).

Data source: Temperature data for Moscow generated using information from the Copernicus Climate Change Service.

May Precipitation in Moscow

In Moscow in May, the precipitation amount is 132 mm (5.2 in), occurring over a span of 15 days.

May Precipitation Trends in Moscow

The chart displays monthly precipitation patterns in Moscow, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Moscow, May typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Moscow

In Moscow in May humidity is 75%. With an average temperature of 15°C (58°F), this humidity feels like you're stepping into a warm, damp blanket, making travel a bit more challenging as the air clings to your skin, leaving you craving a refreshing breeze along the way.

May Average Humidity in Moscow

This chart illustrates the average monthly humidity levels in Moscow, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Moscow is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Moscow

In Moscow in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Moscow.

Maximum UV Index Levels in Moscow for May

The chart shows the monthly maximum UV Index (UVI) for Moscow in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Moscow typically reaches 10, which falls under the very high exposure category.

Data source: Moscow May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Moscow Compares to Other Months

Weather in Moscow varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Moscow, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Moscow, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	72 mm (2.8 inches)	87%	moderate
February Weather	-1°C (31°F)	101 mm (4.0 inches)	85%	moderate
March Weather	2°C (36°F)	93 mm (3.7 inches)	85%	high
April Weather	8°C (47°F)	111 mm (4.4 inches)	83%	very high
May Weather	15°C (58°F)	132 mm (5.2 inches)	75%	very high
June Weather	19°C (67°F)	114 mm (4.5 inches)	73%	very high
July Weather	22°C (73°F)	143 mm (5.6 inches)	65%	very high
August Weather	21°C (70°F)	154 mm (6.1 inches)	62%	very high
September Weather	18°C (64°F)	112 mm (4.4 inches)	66%	very high
October Weather	12°C (54°F)	130 mm (5.1 inches)	79%	high
November Weather	4°C (40°F)	91 mm (3.6 inches)	87%	moderate
December Weather	0°C (33°F)	95 mm (3.7 inches)	85%	low