July weather forecastGrindavik, Iceland
July
Weather in July
July holds the title as the warmest month in Grindavik, with maximum temperatures averaging around 12.2°C (54°F). These conditions offer the perfect excuse to explore the city and its surrounding topography more extensively. Popular activities include fishing in the rich Atlantic waters, hunting down hidden gems in local flea markets, and sampling the culinary delights offered by the bustling food stalls. A visit to the picturesque lighthouse at the end of Reykjanes peninsula is often a favorite itinerary item among tourists. While a sunny disposition in Grindavik can be expected in July, don’t forget to carry light rain gear.Temperature
The temperature hits its peak in July and August, recording an average high-temperature of 12.2°C (54°F).Humidity
The months with the highest humidity in Grindavik are July and August, with an average relative humidity of 81%.Rainfall
In Grindavik, during July, the rain falls for 14.8 days and regularly aggregates up to 46mm (1.81") of precipitation. In Grindavik, during the entire year, the rain falls for 193.9 days and collects up to 833mm (32.8") of precipitation.Snowfall
June through September are months without snowfall.Sea temperature
With an average sea temperature of 11.7°C (53.1°F), July is the month with the warmest seawater.Note: In 11.7°C (53.1°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.
Daylight
In Grindavik, the average length of the day in July is 19h and 25min.On the first day of July, sunrise is at 03:15 and sunset at 23:51. On the last day of the month, sunrise is at 04:38 and sunset at 22:33 GMT.
Sunshine
In Grindavik, the average sunshine in July is 7.5h.UV index
The month with the highest UV index is July, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In July, the maximum UV index of 4 transforms into these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Grindavik, Iceland
- Average high temperature in July: 12.2°C
The warmest months (with the highest average high temperature) are July and August (12.2°C).
The months with the lowest average high temperature are February, March and December (4.2°C).
- Average low temperature in July: 9.9°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are March and December (1.3°C).
Average pressure in July
Grindavik, Iceland
- Average pressure in July: 1009.4mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in July
Grindavik, Iceland
- Average wind speed in July: 20.3km/h
The windiest month (with the highest average wind speed) is February (35km/h).
The calmest month (with the lowest average wind speed) is June (20.1km/h).
Average humidity in July
Grindavik, Iceland
- Average humidity in July: 81%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is December (74%).
Average rainfall in July
Grindavik, Iceland
- Average rainfall in July: 46mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is June (35mm).
Average rainfall days in July
Grindavik, Iceland
- Average rainfall days in July: 14.8 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is June (12.5 days).
Average snowfall in July
Grindavik, Iceland
- Average snowfall in July: 0mm
The month with the highest snowfall is March (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Grindavik, Iceland
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in July
Grindavik, Iceland
- Average sea temperature in July: 11.7°C
The best month for swimming (with the highest average sea temperature) is July (11.7°C).
The coldest month (with the lowest average sea temperature) is March (5.8°C).
Average daylight in July /
Average sunshine in July
Grindavik, Iceland
- Average daylight in July: 19h and 24min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in July: 7h and 30min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in July
Grindavik, Iceland
- Average sunshine days in July: 14.7 days
The month with the most sunshine days is June (15 days).
The months with the least sunshine days are March and April (7.1 days).
Average UV index in July
Grindavik, 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, March, April, May, October, November and December (UV index 2).
Average cloud cover in July
Grindavik, Iceland
- Average cloud cover in July: 60
The month with the most cloud cover is March (Cloud cover 69).
The months with the least cloud cover are May, July and August (Cloud cover 60).
Average visibility in July
Grindavik, Iceland
- Average visibility in July: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
