Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July is the warmest month, with an average high-temperature of 13.5°C (56.3°F) and an average low-temperature of 9.1°C (48.4°F).Humidity
In Alftanes, the average relative humidity in July is 78%.Rainfall
The months with the least rainfall in Alftanes are June and July Rain falls for 17.4 days and accumulates 25mm (0.98") of rain.Snowfall
In Alftanes, snow does not fall in June through September.Sea temperature
July and August, with an average sea temperature of 11.3°C (52.3°F), are months with the warmest seawater.Note: Without suitable protection, venturing into 11.3°C (52.3°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.
Daylight
In July, the average length of the day is 19h and 33min.On the first day of the month, sunrise is at 03:08 and sunset at 23:55. On the last day of July, in Alftanes, sunrise is at 04:34 and sunset at 22:34 GMT.
Sunshine
In July, the average sunshine in Alftanes, Iceland, is 6.9h.UV index
July is the month with the highest UV index in Alftanes, Iceland, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In July, a regular UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the warmest month in Alftanes?
What is the usual temperature for Alftanes in July?
What is the average humidity in July in Alftanes?
What is the driest month in Alftanes?
How much does it rain in Alftanes in July?
When it does not snow in Alftanes?
What are the months with the warmest sea water in Alftanes?
How cold is the water in July in Alftanes?
How many hours of daylight does Alftanes have in July?
When is the sunrise / sunset in July in Alftanes?
How long on average sun shines in July in Alftanes?
What is the month with the highest UV index in Alftanes?
How high is the UV index in July in Alftanes?
Average temperature in July
Alftanes, Iceland
- Average high temperature in July: 13.5°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 July: 9.1°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 July
Alftanes, Iceland
- Average pressure in July: 1009.5mbar
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 July
Alftanes, Iceland
- Average wind speed in July: 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 July
Alftanes, Iceland
- Average humidity in July: 78%
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 July
Alftanes, Iceland
- Average rainfall in July: 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 July
Alftanes, Iceland
- Average rainfall days in July: 17.4 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 July
Alftanes, Iceland
- Average snowfall in July: 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 July
Alftanes, Iceland
- Average snowfall days in July: 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 July
Alftanes, Iceland
- Average sea temperature in July: 11.3°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 July /
Average sunshine in July
Alftanes, Iceland
- Average daylight in July: 19h and 3min
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 July: 6h and 5min
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 July
Alftanes, Iceland
- Average sunshine days in July: 9.2 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 July
Alftanes, Iceland
- Average UV index in July: 4
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 July
Alftanes, Iceland
- Average cloud cover in July: 63
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 July
Alftanes, Iceland
- Average visibility in July: 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).
Alftanes, Iceland
Weather forecast for your location
2. Allow the app to use your location