Climate and monthly weather forecastSiest, France
Climate and monthly weather forecast
Weather in January
January, like December, in Siest, France, is a cool winter month, with an average temperature fluctuating between 4.9°C (40.8°F) and 10.7°C (51.3°F). Siest's temperature records reveal January as the coldest month, marked by average highs of 10.7°C (51.3°F) and lows of 4.9°C (40.8°F). Weather in January »Weather in February
February, the last month of the winter in Siest, is another cool month, with an average temperature fluctuating between 11.7°C (53.1°F) and 4.3°C (39.7°F). The ushering in of February brings an average high-temperature of a still fresh 11.7°C (53.1°F), closely mirroring the 10.7°C (51.3°F) of January. Weather in February »Weather in March
March, the first month of the spring in Siest, is a refreshing month, with temperature in the range of an average low of 6°C (42.8°F) and an average high of 14.8°C (58.6°F). In Siest, the average high-temperature in March slightly rises, from a fresh 11.7°C (53.1°F) in February, to a refreshing 14.8°C (58.6°F). Weather in March »Weather in April
April is a refreshing spring month in Siest, France, with an average temperature ranging between max 17.8°C (64°F) and min 8.3°C (46.9°F). In Siest, stepping into April brings a gentle temperature nudge, moving slightly up from March's 14.8°C (58.6°F) to a still refreshing 17.8°C (64°F). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Siest, France, with temperature in the range of an average low of 10.9°C (51.6°F) and an average high of 20.3°C (68.5°F). Siest, France, experiences a subtle adjustment in high-temperatures to a pleasant 20.3°C (68.5°F) with the onset of May, maintaining near parity with April's 17.8°C (64°F). Weather in May »Weather in June
June, the first month of the summer in Siest, is a moderately hot month, with an average temperature fluctuating between 24.1°C (75.4°F) and 14°C (57.2°F). June's arrival signals a subtle increase in average high-temperatures, moving from May's pleasant 20.3°C (68.5°F) to a warm 24.1°C (75.4°F). Weather in June »Weather in July
July, the same as June, is another warm summer month in Siest, France, with temperature in the range of an average high of 26.3°C (79.3°F) and an average low of 15.5°C (59.9°F). Siest experiences an average high-temperature of a still warm 26.3°C (79.3°F) with the onset of July, subtly varied from June's 24.1°C (75.4°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Siest, France, with an average temperature ranging between min 15.6°C (60.1°F) and max 27.2°C (81°F). August is the warmest month, with an average high-temperature of 27.2°C (81°F) and an average low-temperature of 15.6°C (60.1°F). The average heat index in August is evaluated at a hot 30°C (86°F). Weather in August »Weather in September
September, the first month of the autumn in Siest, is also a moderately hot month, with an average temperature fluctuating between 24.6°C (76.3°F) and 13.4°C (56.1°F). September observes an average high-temperature of a still moderately hot 24.6°C (76.3°F), marking an insignificant difference from August's 27.2°C (81°F). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Siest, France, with an average temperature varying between 20.8°C (69.4°F) and 11.3°C (52.3°F). As September transitions into October, Siest sees a gentle drop in the average high-temperature, transitioning from a moderately hot 24.6°C (76.3°F) to an agreeable 20.8°C (69.4°F). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Siest, France, with an average temperature fluctuating between 8.6°C (47.5°F) and 14.6°C (58.3°F). The onset of November entails a temperature shift, as the average high-temperature decreases from an agreeable 20.8°C (69.4°F) in October to a moderate 14.6°C (58.3°F). Weather in November »Weather in December
December, the first month of the winter in Siest, is still a cool month, with an average temperature ranging between min 5.8°C (42.4°F) and max 11.8°C (53.2°F). December's arrival brings an average high-temperature of a cool 11.8°C (53.2°F), slightly deviating from November's 14.6°C (58.3°F). Weather in December »Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Siest witnesses the coldest weather in January, with temperatures averaging a high of 10.7°C (51.3°F) and a low of 4.9°C (40.8°F).
With an average relative humidity of 83%, January is the most humid month in Siest, France.
In Siest, during the entire year, the rain falls for 182.1 days and collects up to 634mm (24.96") of precipitation.
In Siest, snow does not fall in January, April through November.
Throughout the year, in Siest, France, there are 1.9 snowfall days, and 7mm (0.28") of snow is accumulated.
The months with the lowest UV index in Siest, France, are January through March, November and December, with an average maximum UV index of 3.
February, March and December are months with snowfall.
The month with the most snowfall in Siest is February, when snow falls for 0.8 days and typically aggregates up to 4mm (0.16") of snow.
With an average of 15h and 24min of daylight, June has the longest days of the year in Siest.
With an average of 9.7h of sunshine, July has the most sunshine of the year in Siest.
July is the month with the highest UV index, with an average maximum UV index of 6.
Temperature readings in Siest reach their annual highs in August, averaging 27.2°C (81°F) and a minimum average of 15.6°C (60.1°F).
The months with the lowest humidity are August and September, with an average relative humidity of 74%.
The month with the least rainfall in Siest, France, is August, when the rain falls for 14.2 days and typically collects 31mm (1.22") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The month with the most rainfall in Siest is November, when the rain falls for 16.6 days and typically aggregates up to 90mm (3.54") of precipitation.
The month with the least sunshine in Siest, France, is November, with an average of 5.1h of sunshine.
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Siest, France
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (10.7°C).
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure
Siest, France
- Average pressure in January:
1020.2mbar - Average pressure in February:
1018.6mbar - Average pressure in March:
1017.5mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.3mbar - Average pressure in June:
1017.3mbar
- Average pressure in July:
1017.9mbar - Average pressure in August:
1017.9mbar - Average pressure in September:
1018.4mbar - Average pressure in October:
1017.1mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1021.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed
Siest, France
- Average wind speed in January:
9.7km/h - Average wind speed in February:
9.7km/h - Average wind speed in March:
9.6km/h - Average wind speed in April:
9km/h - Average wind speed in May:
9.2km/h - Average wind speed in June:
8.7km/h
- Average wind speed in July:
8.1km/h - Average wind speed in August:
7.7km/h - Average wind speed in September:
7.5km/h - Average wind speed in October:
7.8km/h - Average wind speed in November:
9.5km/h - Average wind speed in December:
9.4km/h
The windiest months (with the highest average wind speed) are January and February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.5km/h).
Average humidity
Siest, France
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall
Siest, France
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (31mm).
Average rainfall days
Siest, France
- Average rainfall days in January:
16.2 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
16.6 days - Average rainfall days in December:
13.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (12.3 days).
Average snowfall
Siest, France
The month with the highest snowfall is February (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Siest, France
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Siest, France
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
6h and 48min - Average sunshine in March:
7h and 12min - Average sunshine in April:
7h and 6min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 42min - Average sunshine in October:
7h and 48min - Average sunshine in November:
5h and 6min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days
Siest, France
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
10.2 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
11.3 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is May (10.2 days).
Average UV index
Siest, France
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover
Siest, France
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Siest, France
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
