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
The average high-temperature during May is a still cold 4.5°C (40.1°F), almost matching the conditions of the preceding month. Flateyri's average nighttime temperature in May modestly descends to a still cold 1.9°C (35.4°F).Humidity
The months with the lowest humidity in Flateyri are May and June, with an average relative humidity of 82%.Rainfall
In Flateyri, in May, during 15.3 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, in Flateyri, Iceland, there are 169 rainfall days, and 830mm (32.68") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Flateyri, Iceland. In Flateyri, during May, snow falls for 6.3 days and regularly aggregates up to 43mm (1.69") of snow. In Flateyri, during the entire year, snow falls for 95.9 days and aggregates up to 999mm (39.33") of snow.Daylight
The average length of the day in May is 19h and 23min.On the first day of the month, sunrise is at 04:47 and sunset at 22:14. On the last day of May, sunrise is at 02:44 and sunset at 00:19 GMT.
Sunshine
In Flateyri, the average sunshine in May is 5.6h.UV index
In May, the average daily maximum UV index in Flateyri is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in May interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Flateyri in May?
What are the least humid months in Flateyri?
What is the average humidity in May in Flateyri?
How much does it rain in Flateyri in May?
How much does it snow in Flateyri in May?
What is the average length of the day in May in Flateyri?
When is the sunrise / sunset in May in Flateyri?
How many hours of sunshine does Flateyri have in May?
What is the UV index intensity in May in Flateyri?
Average temperature in May
Flateyri, Iceland
- Average high temperature in May: 4.5°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 (-0.2°C).
- Average low temperature in May: 1.9°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is March (-3°C).
Average pressure in May
Flateyri, Iceland
- Average pressure in May: 1013.2mbar
The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is January (997.4mbar).
Average wind speed in May
Flateyri, Iceland
- Average wind speed in May: 20.4km/h
The windiest month (with the highest average wind speed) is December (29.6km/h).
The calmest month (with the lowest average wind speed) is June (15.7km/h).
Average humidity in May
Flateyri, Iceland
- Average humidity in May: 82%
The months with the highest relative humidity are January, February, August, September and October (85%).
The months with the lowest relative humidity are May and June (82%).
Average rainfall in May
Flateyri, Iceland
- Average rainfall in May: 51mm
The wettest month (with the highest rainfall) is January (101mm).
The driest month (with the least rainfall) is June (34mm).
Average rainfall days in May
Flateyri, Iceland
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is September (21.7 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in May
Flateyri, Iceland
- Average snowfall in May: 43mm
The month with the highest snowfall is March (203mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Flateyri, Iceland
- Average snowfall days in May: 6.3 days
The month with the highest number of snowfall days is March (18 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Flateyri, Iceland
- Average daylight in May: 19h and 2min
The month with the longest days is July (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 3h and 6min).
- Average sunshine in May: 5h and 4min
The month with the most sunshine is August (Average sunshine: 6h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).
Average sunshine days in May
Flateyri, Iceland
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is June (13.9 days).
The month with the least sunshine days is March (3.5 days).
Average UV index in May
Flateyri, Iceland
- Average UV index in May: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in May
Flateyri, Iceland
- Average cloud cover in May: 65
The month with the most cloud cover is March (Cloud cover 79).
The month with the least cloud cover is June (Cloud cover 61).
Average visibility in May
Flateyri, Iceland
- Average visibility in May: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is March (7km).
