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July Weather in Brittany France

We show the July climate in Brittany by comparing the average July weather in 3 representative places: Nantes, Rennes, and Brest.

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Nantes
France
Rennes
France
Brest
France
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Average High and Low Temperature in July in Brittany

Average High and Low Temperature in July in BrittanyJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313150°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°FJunAug575858747677555657737576676869RennesRennesNantesNantes
The daily average high and low air temperature at 2 meters above the ground. The thin dotted lines are the corresponding perceived temperatures.

Nantes in July

Average Hourly Temperature in Nantes in JulyJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugcoolcomfortablewarmcoldcool

Rennes in July

Average Hourly Temperature in Rennes in JulyJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugcoldcoolcomfortablecool

Brest in July

Average Hourly Temperature in Brest in JulyJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugcoldcoolcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Chance of Clearer Skies in July in Brittany

Chance of Clearer Skies in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAug636666635860BrestBrestRennesRennesNantesNantes
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).

Daily Chance of Precipitation in July in Brittany

Daily Chance of Precipitation in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAug191917BrestBrestRennesRennes
The percentage of days in which precipitation is observed, excluding trace quantities.

Average Monthly Rainfall in July in Brittany

Average Monthly Rainfall in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.2 in0.2 in0.4 in0.4 in0.6 in0.6 in0.8 in0.8 in1.0 in1.0 in1.2 in1.2 in1.4 in1.4 in1.6 in1.6 inJunAug1.31.31.11.1BrestBrestRennesRennesNantesNantes
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.

Hours of Daylight in July in Brittany

Hours of Daylight in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr0 hr4 hr4 hr8 hr8 hr12 hr12 hr16 hr16 hr20 hr20 hr24 hr24 hrJunAug15.915.514.9RennesRennesNantesNantes
The number of hours during which the Sun is at least partly above the horizon.

Chance of Muggy Conditions in July in Brittany

Chance of Muggy Conditions in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAug3572BrestBrestRennesRennesNantesNantes
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).

Average Wind Speed in July in Brittany

Average Wind Speed in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphJunAug9.49.28.611.811.410.9BrestBrestRennesRennesNantesNantes
The average of mean hourly wind speeds at 10 meters above the ground.

Tourism Score in July in Brittany

Tourism Score in July in BrittanyJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313100224466881010JunAug7.27.47.56.6BrestBrestRennesRennesNantesNantes
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.

Beach/Pool Score in July in Brittany

Beach/Pool Score in July in BrittanyJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313100224466881010JunAug4.04.75.14.51.41.92.1BrestBrestRennesRennesNantesNantes
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.

Growing Season in July in Brittany

Growing Season in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%20%20%40%40%60%60%80%80%100%100%JunAugBrestBrestRennesRennesNantesNantes
The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Growing Degree Days in July in Brittany

Growing Degree Days in July in BrittanyJul1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131400°F400°F600°F600°F800°F800°F1,000°F1,000°F1,200°F1,200°F1,400°F1,400°F1,600°F1,600°F1,800°F1,800°F2,000°F2,000°FJunAugBrestBrestRennesRennesNantesNantes
The average growing degree days accumulated over the course of July, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).

Average Water Temperature in July in Brittany

Average Water Temperature in July in BrittanyJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313156°F56°F58°F58°F60°F60°F62°F62°F64°F64°F66°F66°FJunAug636465616364596061BrestBrestNantesNantes
The daily average wide-area surface water temperature.

Average Daily Incident Shortwave Solar Energy in July in Brittany

Average Daily Incident Shortwave Solar Energy in July in BrittanyJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhJunAug6.96.86.5BrestBrestRennesRennesNantesNantes
The average daily shortwave solar energy reaching the ground per square meter.

This report illustrates the typical weather for Nantes, Rennes, and Brest, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page:

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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