Climate and monthly weather forecastCostaros, France
Climate and monthly weather forecast
Weather in January
January, like December, in Costaros, France, is an icy winter month, with temperature in the range of an average low of -2.7°C (27.1°F) and an average high of 3.4°C (38.1°F). January tends to be the coldest month, with temperatures averaging a daily high of 3.4°C (38.1°F) and a low of -2.7°C (27.1°F). Weather in January »Weather in February
February, the last month of the winter in Costaros, is another cold month, with an average temperature varying between -3°C (26.6°F) and 3.9°C (39°F). The beginning of February records an average high-temperature of a still cold 3.9°C (39°F), almost echoing the conditions of the previous month. Weather in February »Weather in March
March, the first month of the spring in Costaros, is a frosty month, with an average temperature varying between -0.2°C (31.6°F) and 8.8°C (47.8°F). March's onset brings a subtle temperature rise, moving from a cold 3.9°C (39°F) in February to a chilly 8.8°C (47.8°F). Weather in March »Weather in April
April is a fresh spring month in Costaros, France, with an average temperature fluctuating between 12.3°C (54.1°F) and 2.3°C (36.1°F). Costaros in April observes a minor temperature shift, with average high-temperatures adjusting from a chilly 8.8°C (47.8°F) in March to a cool 12.3°C (54.1°F). Weather in April »Weather in May
May, the last month of the spring in Costaros, is a moderate month, with an average temperature ranging between max 15.4°C (59.7°F) and min 4.8°C (40.6°F). The shift from April to May is marked by a slight increase in the average high-temperature, moving from a cool 12.3°C (54.1°F) to a mild 15.4°C (59.7°F). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Costaros, France, with an average temperature ranging between min 8.5°C (47.3°F) and max 20.1°C (68.2°F). June brings a slight elevation in the average high-temperature, transitioning from May's refreshing 15.4°C (59.7°F) to a pleasant 20.1°C (68.2°F). Weather in June »Weather in July
July in Costaros, France, is a moderately hot summer month, with an average temperature ranging between max 23°C (73.4°F) and min 10.4°C (50.7°F). The shift into July finds Costaros at an average high-temperature of a moderately hot 23°C (73.4°F), closely comparable to June's conditions. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Costaros, France, with an average temperature varying between 23.3°C (73.9°F) and 10.7°C (51.3°F). August is the warmest month, with the temperature often reaching an average high of 23.3°C (73.9°F) and an average low of 10.7°C (51.3°F). Weather in August »Weather in September
September, the first month of the autumn in Costaros, is also an enjoyable month, with an average temperature ranging between max 18.7°C (65.7°F) and min 7.4°C (45.3°F). Costaros's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 23.3°C (73.9°F) to an enjoyable 18.7°C (65.7°F). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Costaros, France, with an average temperature ranging between max 14.2°C (57.6°F) and min 4.7°C (40.5°F). The transition to October results in a modest reduction in average high-temperature, moving from a refreshing 18.7°C (65.7°F) in September to a moderate 14.2°C (57.6°F). Weather in October »Weather in November
November, the last month of the autumn in Costaros, is also a frosty month, with an average temperature fluctuating between 8.3°C (46.9°F) and 1.3°C (34.3°F). The arrival of November indicates a decrease in the average high-temperature, moving from a mild 14.2°C (57.6°F) in October to a chilly 8.3°C (46.9°F). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Costaros, France, with an average temperature fluctuating between -1.2°C (29.8°F) and 5.2°C (41.4°F). The start of December signals a gentle decrease in the average high-temperature, transitioning from a frosty 8.3°C (46.9°F) in November to a cold 5.2°C (41.4°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Costaros, France
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.4°C).
The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure
Costaros, France
- Average pressure in January:
1019.7mbar - Average pressure in February:
1017.8mbar - Average pressure in March:
1017mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1016.6mbar
- Average pressure in July:
1017mbar - Average pressure in August:
1017.5mbar - Average pressure in September:
1018.4mbar - Average pressure in October:
1017.8mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed
Costaros, France
- Average wind speed in January:
11.8km/h - Average wind speed in February:
12.7km/h - Average wind speed in March:
12.3km/h - Average wind speed in April:
11.2km/h - Average wind speed in May:
11.2km/h - Average wind speed in June:
9.6km/h
- Average wind speed in July:
8.8km/h - Average wind speed in August:
8.2km/h - Average wind speed in September:
8.6km/h - Average wind speed in October:
10.7km/h - Average wind speed in November:
11.4km/h - Average wind speed in December:
11.8km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity
Costaros, France
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall
Costaros, France
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days
Costaros, France
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
11.4 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
12.7 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (8.1 days).
Average snowfall
Costaros, France
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Costaros, France
- Average snowfall days in January:
14.6 days - Average snowfall days in February:
12.6 days - Average snowfall days in March:
7.7 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
1.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.3 days - Average snowfall days in November:
7 days - Average snowfall days in December:
8.9 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Costaros, France
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
5h and 48min - Average sunshine in March:
7h and 12min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 30min - Average sunshine in November:
4h and 54min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Costaros, France
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
15.4 days - Average sunshine days in November:
12 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.5 days).
Average UV index
Costaros, France
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Costaros, France
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Costaros, France
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (8km).
The months with the lowest visibility are January and November (7km).





