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
May
Weather in May
Temperature
With the onset of May, Álafoss experiences a subtle temperature shift, with the average high-temperature moving from a cold 4.9°C (40.8°F) in April to a frosty 8.3°C (46.9°F). A minor drop in temperature is observed from daytime highs during the nights of May, averaging an icy 4.1°C (39.4°F).Humidity
May is the least humid month, with an average relative humidity of 75%.Rainfall
In Álafoss, during May, the rain falls for 15.5 days and regularly aggregates up to 32mm (1.26") of precipitation. In Álafoss, Iceland, during the entire year, the rain falls for 166.2 days and collects up to 416mm (16.38") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.2 snowfall days, in May, Álafoss aggregates 2mm (0.08") of snow. Throughout the year, in Álafoss, there are 41.1 snowfall days, and 309mm (12.17") of snow is accumulated.Daylight
In May, the average length of the day is 18h and 31min.On the first day of the month, sunrise is at 04:55 and sunset at 21:51. On the last day of May, sunrise is at 03:21 and sunset at 23:27 GMT.
Sunshine
The average sunshine in May is 7h.UV index
In May, the average daily maximum UV index in Álafoss is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 2 suggests this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Álafoss?
What is the least humid month in Álafoss?
What is the average humidity in May in Álafoss?
How many days does it rain in May in Álafoss?
What is the last month it snows in Álafoss?
How many hours of daylight does Álafoss have in May?
What time are sunrise and sunset in May in Álafoss?
How many hours of sunshine does Álafoss have in May?
What is the UV index reading in May in Álafoss?
Average temperature in May
Álafoss, Iceland
- Average high temperature in May: 8.3°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in May: 4.1°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure in May
Álafoss, Iceland
- Average pressure in May: 1012.1mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed in May
Álafoss, Iceland
- Average wind speed in May: 19.1km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in May
Álafoss, Iceland
- Average humidity in May: 75%
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Álafoss, Iceland
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days in May
Álafoss, Iceland
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall in May
Álafoss, Iceland
- Average snowfall in May: 2mm
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Álafoss, Iceland
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Álafoss, Iceland
- Average daylight in May: 18h and 3min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in May: 7h and 0min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Álafoss, Iceland
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in May
Álafoss, Iceland
- Average UV index in May: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Álafoss, Iceland
- Average cloud cover in May: 62
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility in May
Álafoss, Iceland
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
