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
Selárdalur in May denotes a subtle temperature transition, adjusting from an average high of 1.3°C (34.3°F) in April to a still icy 4.6°C (40.3°F). Selárdalur observes a minimal variance in temperature, with a consistent average low of 1.1°C (34°F) during the nights of May.Humidity
In May, the average relative humidity is 83%.Rainfall
In Selárdalur, in May, it is raining for 12.3 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 124.9 rainfall days, and 681mm (26.81") of precipitation is accumulated.Snowfall
Months with snowfall in Selárdalur are January through June, August through December. In Selárdalur, in May, during 6.6 snowfall days, 54mm (2.13") of snow is typically accumulated. In Selárdalur, during the entire year, snow falls for 96.9 days and aggregates up to 1264mm (49.76") of snow.Daylight
In May, the average length of the day is 19h and 14min.On the first day of May, sunrise is at 04:51 and sunset at 22:14. On the last day of the month, sunrise is at 02:54 and sunset at 00:12 GMT.
Sunshine
In Selárdalur, Iceland, the average sunshine in May is 5.4h.UV index
The average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in May translates into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is May cold?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Selárdalur have in May?
What is the UV index intensity in May?
Average temperature in May
Selárdalur, Iceland
- Average high temperature in May: 4.6°C
The warmest month (with the highest average high temperature) is July (9.5°C).
The month with the lowest average high temperature is March (-1°C).
- Average low temperature in May: 1.1°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is December (-4.3°C).
Average pressure in May
Selárdalur, Iceland
- Average pressure in May: 1013.1mbar
The month with the highest atmospheric pressure is June (1014.7mbar).
The month with the lowest atmospheric pressure is January (997.3mbar).
Average wind speed in May
Selárdalur, Iceland
- Average wind speed in May: 17.6km/h
The windiest months (with the highest average wind speed) are February and December (25.2km/h).
The calmest month (with the lowest average wind speed) is June (13.4km/h).
Average humidity in May
Selárdalur, Iceland
- Average humidity in May: 83%
The months with the highest relative humidity are January, February, October and December (88%).
The month with the lowest relative humidity is June (81%).
Average rainfall in May
Selárdalur, Iceland
- Average rainfall in May: 40mm
The wettest month (with the highest rainfall) is January (88mm).
The driest month (with the least rainfall) is June (20mm).
Average rainfall days in May
Selárdalur, Iceland
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is September (17.9 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in May
Selárdalur, Iceland
- Average snowfall in May: 54mm
The month with the highest snowfall is March (249mm).
The month with the least snowfall is July (0mm).
Average snowfall days in May
Selárdalur, Iceland
- Average snowfall days in May: 6.6 days
The month with the highest number of snowfall days is March (17.5 days).
The month with the least snowfall days is July (0 days).
Average daylight in May /
Average sunshine in May
Selárdalur, Iceland
- Average daylight in May: 19h and 1min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in May: 5h and 2min
The month with the most sunshine is August (Average sunshine: 5h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).
Average sunshine days in May
Selárdalur, Iceland
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is June (18 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in May
Selárdalur, Iceland
- Average UV index in May: 2
The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in May
Selárdalur, Iceland
- Average cloud cover in May: 67
The month with the most cloud cover is March (Cloud cover 81).
The month with the least cloud cover is June (Cloud cover 65).
Average visibility in May
Selárdalur, Iceland
- Average visibility in May: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
