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 sea temperature 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
May in Úlfsá signals a minor shift in the average high-temperature, moving from April's 1.3°C (34.3°F) to a still icy 4.6°C (40.3°F). May sees a slight dip to an average low temperature of 1.1°C (34°F) from the daytime highs.Humidity
The average relative humidity in May in Úlfsá is 83%.Rainfall
In Úlfsá, in May, it is raining for 12.3 days, with typically 40mm (1.57") of accumulated precipitation. In Úlfsá, Iceland, during the entire year, the rain falls for 124.6 days and collects up to 664mm (26.14") of precipitation.Snowfall
January through June, August through December are months with snowfall. In May, in Úlfsá, it is snowing for 6.6 days. Throughout May, 54mm (2.13") of snow is accumulated. In Úlfsá, during the entire year, snow falls for 96.2 days and aggregates up to 1214mm (47.8") of snow.Sea temperature
In Úlfsá, the average seawater temperature in May is 4°C (39.2°F).Note: In the water-based sport of swimming, this state is life-threatening and exceedingly dangerous. The freezing water causes severe discomfort, leading to rapid hyperventilation. A specialized swimsuit is compulsory to avert thermal damage.
Daylight
In May, the average length of the day is 19h and 24min.On the first day of May in Úlfsá, sunrise is at 04:46 and sunset at 22:13. On the last day of the month, sunrise is at 02:42 and sunset at 00:18 GMT.
Sunshine
The average sunshine in May in Úlfsá is 5.4h.UV index
In May, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during May translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The reflective property of snow can nearly double 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 Úlfsá in May?
What is the average humidity in May in Úlfsá?
How many days does it rain in May in Úlfsá?
How many days does it snow in May in Úlfsá?
What is the water temperature in May in Úlfsá?
What is the average length of the day in May in Úlfsá?
When are sunrise and sunset in May in Úlfsá?
How many hours of sunshine does Úlfsá have in May?
How high is the UV index in May in Úlfsá?
Average temperature in May
Úlfsá, 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
Úlfsá, 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
Úlfsá, 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
Úlfsá, 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
Úlfsá, 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
Úlfsá, Iceland
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in May
Úlfsá, 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
Úlfsá, 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 sea temperature in May
Úlfsá, Iceland
- Average sea temperature in May: 4°C
The best months for swimming (with the highest average sea temperature) are July and August (7°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (3°C).
Average daylight in May /
Average sunshine in May
Úlfsá, 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 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
Úlfsá, 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
Úlfsá, 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
Úlfsá, 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
Úlfsá, 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).
Úlfsá, Iceland
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