June weather forecastAlftanes, Iceland
June
Weather in June
June is the gateway to summer in Alftanes, Iceland with temperature ranging from 7.4°C (45.3°F) to 11.7°C (53.1°F). This month is a haven for sun-seekers with higher sea temperatures and the year's longest daylight hours. The frequent drizzle and sweeping winds give way to clear days embracing warmth and less gusty winds. The weather pattern effects a drastic change in the landscape, from stark to verdant.Temperature
June's onset brings a subtle temperature rise, moving from a chilly 8.3°C (46.9°F) in May to a fresh 11.7°C (53.1°F). Alftanes records a mild decrease in temperature during the nights of June, averaging a frosty 7.4°C (45.3°F).Humidity
The average relative humidity in June in Alftanes is 76%.Rainfall
The months with the least rainfall in Alftanes are June and July Rain falls for 15.4 days and accumulates 25mm (0.98") of rain.Snowfall
In Alftanes, snow does not fall in June through September.Sea temperature
In Alftanes, in June, the average water temperature is 9.3°C (48.7°F).Note: Swimming in 9.3°C (48.7°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
With an average of 20h and 48min of daylight, June has the longest days of the year.On the first day of June in Alftanes, sunrise is at 03:21 and sunset at 23:30. On the last day of the month, sunrise is at 03:06 and sunset at 23:57 GMT.
Sunshine
The average sunshine in June in Alftanes is 4.1h.UV index
In Alftanes, the average daily maximum UV index in June is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in June translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Alftanes, Iceland
- Average high temperature in June: 11.7°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 June: 7.4°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 June
Alftanes, Iceland
- Average pressure in June: 1013.8mbar
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 June
Alftanes, Iceland
- Average wind speed in June: 14.9km/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 June
Alftanes, Iceland
- Average humidity in June: 76%
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 June
Alftanes, Iceland
- Average rainfall in June: 25mm
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 June
Alftanes, Iceland
- Average rainfall days in June: 15.4 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 June
Alftanes, Iceland
- Average snowfall in June: 0mm
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 June
Alftanes, Iceland
- Average snowfall days in June: 0 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 sea temperature in June
Alftanes, Iceland
- Average sea temperature in June: 9.3°C
The best months for swimming (with the highest average sea temperature) are July and August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.3°C).
Average daylight in June /
Average sunshine in June
Alftanes, Iceland
- Average daylight in June: 20h and 48min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in June: 4h and 6min
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 June
Alftanes, Iceland
- Average sunshine days in June: 10.1 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 June
Alftanes, Iceland
- Average UV index in June: 3
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 June
Alftanes, Iceland
- Average cloud cover in June: 64
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 June
Alftanes, Iceland
- Average visibility in June: 10km
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).
