Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The rise of average high-temperatures is seen in May, with an increase from a frosty 9.4°C (48.9°F) in April to a comfortable 16.8°C (62.2°F). Roiu experiences a consistent average temperature of 6.3°C (43.3°F) throughout the nights in May.Humidity
The least humid month is May, with an average relative humidity of 71%.Rainfall
In Roiu, in May, it is raining for 15 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Roiu, Estonia, there are 170.9 rainfall days, and 525mm (20.67") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Roiu, Estonia. During 0.8 snowfall days, in May, Roiu aggregates 3mm (0.12") of snow. Throughout the year, there are 99.4 snowfall days, and 882mm (34.72") of snow is accumulated.Daylight
In May, the average length of the day is 16h and 48min.On the first day of the month, sunrise is at 05:16 and sunset at 21:02. On the last day of May, in Roiu, Estonia, sunrise is at 04:17 and sunset at 22:03 EEST.
Sunshine
In May, the average sunshine is 9.4h.UV index
The average daily maximum UV index in May in Roiu is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during May translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Roiu in May?
What is the least humid month in Roiu?
What is the average humidity in May in Roiu?
How many days does it rain in May in Roiu?
What is the last month it snows in Roiu?
How many hours of daylight does Roiu have in May?
When are sunrise and sunset in May in Roiu?
How many hours of sunshine does Roiu have in May?
How high is the UV index in May in Roiu?
Average temperature in May
Roiu, Estonia
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-7.6°C).
Average pressure in May
Roiu, Estonia
- Average pressure in May: 1015.2mbar
The month with the highest atmospheric pressure is October (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in May
Roiu, Estonia
- Average wind speed in May: 11km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest months (with the lowest average wind speed) are May and August (11km/h).
Average humidity in May
Roiu, Estonia
- Average humidity in May: 71%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Roiu, Estonia
- Average rainfall in May: 42mm
The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are March and April (32mm).
Average rainfall days in May
Roiu, Estonia
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in May
Roiu, Estonia
- Average snowfall in May: 3mm
The month with the highest snowfall is February (217mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Roiu, Estonia
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Roiu, Estonia
- Average daylight in May: 16h and 5min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in May
Roiu, Estonia
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is December (3.7 days).
Average UV index in May
Roiu, Estonia
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in May
Roiu, Estonia
- Average cloud cover in May: 40
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 40).
Average visibility in May
Roiu, Estonia
- Average visibility in May: 9km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
Roiu, Estonia
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