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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Saint-Izaire, France, with temperature in the range of an average high of 5.4°C (41.7°F) and an average low of -0.8°C (30.6°F). The coldest month is January, with an average high-temperature of 5.4°C (41.7°F) and an average low-temperature of -0.8°C (30.6°F). Weather in January »
Weather in February
February, the last month of the winter in Saint-Izaire, is a chilly month, with an average temperature varying between -1.4°C (29.5°F) and 6.5°C (43.7°F). An average high-temperature of a frosty 6.5°C (43.7°F) marks February, exhibiting a close resemblance to the conditions in January. Weather in February »
Weather in March
March, the first month of the spring in Saint-Izaire, is a fresh month, with temperature in the range of an average low of 1.3°C (34.3°F) and an average high of 10.5°C (50.9°F). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a frosty 6.5°C (43.7°F) to a fresh 10.5°C (50.9°F). Weather in March »
Weather in April
April in Saint-Izaire, France, is a moderate spring month, with an average temperature ranging between min 4.1°C (39.4°F) and max 14.3°C (57.7°F). As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a fresh 10.5°C (50.9°F) to a mild 14.3°C (57.7°F). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Saint-Izaire, France, with an average temperature ranging between max 17.8°C (64°F) and min 6.7°C (44.1°F). May's onset is marked by a subtle temperature increase, moving from a refreshing 14.3°C (57.7°F) in April to an enjoyable 17.8°C (64°F). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Saint-Izaire, France, with an average temperature ranging between max 22.5°C (72.5°F) and min 10°C (50°F). June's arrival brings a modest temperature shift, moving from an enjoyable 17.8°C (64°F) in May to an agreeable 22.5°C (72.5°F). Weather in June »
Weather in July
July is a warm summer month in Saint-Izaire, France, with an average temperature varying between 12.7°C (54.9°F) and 25.5°C (77.9°F). The arrival of July introduces a minor uplift in high-temperatures, adjusting from an agreeable 22.5°C (72.5°F) in June to a moderately hot 25.5°C (77.9°F). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Saint-Izaire, France, with an average temperature ranging between min 12.3°C (54.1°F) and max 25.9°C (78.6°F). August is the month that records the highest temperatures, with averages ranging from a high of 25.9°C (78.6°F) to a low of 12.3°C (54.1°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Saint-Izaire, France, with an average temperature varying between 9.2°C (48.6°F) and 21.1°C (70°F). The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 25.9°C (78.6°F) in August to a pleasant 21.1°C (70°F). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Saint-Izaire, France, with an average temperature fluctuating between 6.4°C (43.5°F) and 16°C (60.8°F). The arrival of October signals a shift in temperature, down from an agreeable 21.1°C (70°F) in September to a comfortable 16°C (60.8°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Saint-Izaire, France, with an average temperature fluctuating between 9.6°C (49.3°F) and 3.1°C (37.6°F). Saint-Izaire's average high-temperature decreases in November, falling from a comfortable 16°C (60.8°F) in October to a frosty 9.6°C (49.3°F). Weather in November »
Weather in December
December, the first month of the winter in Saint-Izaire, is also a frosty month, with an average temperature ranging between min 0.4°C (32.7°F) and max 6.8°C (44.2°F). Saint-Izaire, France, starts December with an average high-temperature of a still chilly 6.8°C (44.2°F), a minor shift from November's 9.6°C (49.3°F). Weather in December »
Updated: Feb 8, 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
What time of the year is the coldest in Saint-Izaire?
The coldest period tends to be January, when average temperatures fluctuate between a high of 5.4°C (41.7°F) and a low of -0.8°C (30.6°F).
How many days does it rain in Saint-Izaire?
In Saint-Izaire, during the entire year, the rain falls for 136.7 days and collects up to 468mm (18.43") of precipitation.
When does it snow in Saint-Izaire?
Months with snowfall in Saint-Izaire are January through May, October through December.
What is the snowiest month in Saint-Izaire?
The month with the most snowfall in Saint-Izaire, France, is January, when snow falls for 7.7 days and typically aggregates up to 93mm (3.66") of snow.
How many days does it snow in Saint-Izaire?
Throughout the year, there are 25.8 snowfall days, and 306mm (12.05") of snow is accumulated.
What are the months with the least sunshine in Saint-Izaire?
January and November, with an average of 4.5h of sunshine, are months with the least sunshine in Saint-Izaire, France.
What are the months with the lowest UV index in Saint-Izaire?
The months with the lowest UV index in Saint-Izaire, France, are January, February, November and December, with an average maximum UV index of 2.
When it does not snow in Saint-Izaire?
In Saint-Izaire, snow does not fall in June through September.
When are the longest days in Saint-Izaire?
The month with the longest days in Saint-Izaire is June, with an average of 15h and 24min of daylight.
What month has the most sunshine in Saint-Izaire?
The month with the most sunshine is July, with an average of 11h of sunshine.
When is the highest UV index in Saint-Izaire?
The month with the highest UV index in Saint-Izaire is July, with an average maximum UV index of 6.
What month is the hottest in Saint-Izaire?
August is the warmest month, with the temperature often reaching an average high of 25.9°C (78.6°F) and an average low of 12.3°C (54.1°F).
What is the least humid month in Saint-Izaire?
August is the least humid month in Saint-Izaire, France, with an average relative humidity of 66%.
What is the driest month in Saint-Izaire?
August is the month with the least rainfall in Saint-Izaire. Rain falls for 8.3 days and accumulates 21mm (0.83") of precipitation.
When is Daylight Saving Time (DST) in Saint-Izaire?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Saint-Izaire, France, 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.
What is the most humid month in Saint-Izaire?
November is the most humid month in Saint-Izaire, France, with an average relative humidity of 88%.
What is the wettest month in Saint-Izaire?
November is the month with the most rainfall. Rain falls for 13.3 days and accumulates 61mm (2.4") of precipitation.
What is the month with the shortest days in Saint-Izaire?
The month with the shortest days in Saint-Izaire is December, with an average of 9h and 0min of daylight.
Average temperature
Saint-Izaire, France
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (5.4°C).
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is February (-1.4°C).
Average pressure
Saint-Izaire, France
- Average pressure in January:
1019.5mbar - Average pressure in February:
1017.7mbar - Average pressure in March:
1016.9mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1016.3mbar - Average pressure in June:
1016.4mbar
- Average pressure in July:
1016.8mbar - Average pressure in August:
1017.3mbar - Average pressure in September:
1018.1mbar - Average pressure in October:
1017.4mbar - Average pressure in November:
1015.5mbar - 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 (1015.3mbar).
Average wind speed
Saint-Izaire, France
- Average wind speed in January:
11.7km/h - Average wind speed in February:
12.1km/h - Average wind speed in March:
12.3km/h - Average wind speed in April:
11.1km/h - Average wind speed in May:
11.4km/h - Average wind speed in June:
10km/h
- Average wind speed in July:
9.9km/h - Average wind speed in August:
9.2km/h - Average wind speed in September:
9km/h - Average wind speed in October:
10.8km/h - Average wind speed in November:
11.4km/h - Average wind speed in December:
11.3km/h
The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is September (9km/h).
Average humidity
Saint-Izaire, France
The month with the highest relative humidity is November (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Saint-Izaire, France
The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days
Saint-Izaire, France
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
9.3 days - Average rainfall days in August:
8.3 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
13.3 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is August (8.3 days).
Average snowfall
Saint-Izaire, France
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Saint-Izaire, France
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.4 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:
0.4 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
4.1 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Saint-Izaire, France
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - 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:
4h and 3min - Average sunshine in February:
6h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
4h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and November (Average sunshine: 4h and 30min).
Average sunshine days
Saint-Izaire, France
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
18.8 days - Average sunshine days in August:
19.4 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
14.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (12.8 days).
Average UV index
Saint-Izaire, France
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Saint-Izaire, France
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility
Saint-Izaire, France
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (7km).
