Climate and monthly weather forecastRioz, France
Climate and monthly weather forecast
Weather in January
January, like December, in Rioz, France, is an icy winter month, with an average temperature fluctuating between -0.8°C (30.6°F) and 4.2°C (39.6°F). In Rioz, January is the coldest month, with temperatures averaging a high of 4.2°C (39.6°F) and a low of -0.8°C (30.6°F). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Rioz, France, with an average temperature ranging between min -0.5°C (31.1°F) and max 5.5°C (41.9°F). Rioz's transition from January to February introduces an average high-temperature of a still icy 5.5°C (41.9°F), marking an insignificant variation from the 4.2°C (39.6°F). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Rioz, France, with an average temperature varying between 10.3°C (50.5°F) and 2.2°C (36°F). The start of March is characterized by a subtle increase in the average high-temperature, transitioning from a cold 5.5°C (41.9°F) in February to a fresh 10.3°C (50.5°F). Weather in March »Weather in April
April is a refreshing spring month in Rioz, France, with temperature in the range of an average high of 14.6°C (58.3°F) and an average low of 4.9°C (40.8°F). As April begins, there's a slight increase in the average high-temperature, moving from a cool 10.3°C (50.5°F) in March to a mild 14.6°C (58.3°F). Weather in April »Weather in May
May, the last month of the spring in Rioz, is a refreshing month, with an average temperature varying between 17.3°C (63.1°F) and 7.3°C (45.1°F). Rioz's average high-temperature in May is a still refreshing 17.3°C (63.1°F), marking an insignificant difference from the 14.6°C (58.3°F) of April. Weather in May »Weather in June
June, the first month of the summer in Rioz, is an agreeable month, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 11.1°C (52°F). Rioz observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's refreshing 17.3°C (63.1°F) to an agreeable 21.3°C (70.3°F). Weather in June »Weather in July
July is a warm summer month in Rioz, France, with an average temperature varying between 23.6°C (74.5°F) and 13°C (55.4°F). Rioz observes a minor difference in average high-temperatures between June's 21.3°C (70.3°F) and July's 23.6°C (74.5°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Rioz, France, with an average temperature varying between 13°C (55.4°F) and 23.8°C (74.8°F). August is the warmest month, with an average high-temperature of 23.8°C (74.8°F) and an average low-temperature of 13°C (55.4°F). Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Rioz, France, with an average temperature varying between 19.5°C (67.1°F) and 9.6°C (49.3°F). September is characterized by a mild reduction in the average high-temperature, from a warm 23.8°C (74.8°F) in August to a refreshing 19.5°C (67.1°F). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Rioz, France, with an average temperature fluctuating between 6.4°C (43.5°F) and 14.9°C (58.8°F). A mild drop in Rioz's average high-temperature is observed in October, transitioning from a refreshing 19.5°C (67.1°F) in September to a moderate 14.9°C (58.8°F). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Rioz, France, with an average temperature fluctuating between 9.2°C (48.6°F) and 3.1°C (37.6°F). In November, the average high-temperature goes from a refreshing 14.9°C (58.8°F) in October to a frosty 9.2°C (48.6°F). Weather in November »Weather in December
December, the first month of the winter in Rioz, is also a wintry month, with an average temperature ranging between max 5.6°C (42.1°F) and min 0.5°C (32.9°F). With the onset of December, Rioz's climate undergoes a slight change as the average high-temperature moves from a chilly 9.2°C (48.6°F) in November to an icy 5.6°C (42.1°F). Weather in December »Updated: Feb 5, 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
January, with an average high of 4.2°C (39.6°F) and a low of -0.8°C (30.6°F), signifies the coldest month of the year.
The months with the highest humidity in Rioz, France, are January and December, with an average relative humidity of 87%.
Throughout the year, there are 173.9 rainfall days, and 719mm (28.31") of precipitation is accumulated.
Months with snowfall in Rioz, France, are January through March, October through December.
January is the month with the most snowfall in Rioz. Snow falls for 5.9 days and accumulates 71mm (2.8") of snow.
Throughout the year, in Rioz, there are 19 snowfall days, and 219mm (8.62") of snow is accumulated.
January and December, with an average of 4.4h of sunshine, are months with the least sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rioz.
April through September are months without snowfall in Rioz.
June is the month with the most rainfall in Rioz. Rain falls for 18.5 days and accumulates 97mm (3.82") of precipitation.
With an average of 15h and 54min of daylight, June has the longest days of the year in Rioz.
June and July, with an average maximum UV index of 5, are months with the highest UV index in Rioz, France.
The months with the most sunshine are July and August, with an average of 10.2h of sunshine.
Rioz's August weather, marked by an average high temperature of 23.8°C (74.8°F) and an average low temperature of 13°C (55.4°F), is the warmest in the year.
The least humid month in Rioz, France, is August, with an average relative humidity of 78%.
September is the month with the least rainfall in Rioz, France. Rain falls for 11.9 days and accumulates 32mm (1.26") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Rioz, 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.
December has the shortest days of the year, with an average of 8h and 30min of daylight.
Average temperature
Rioz, France
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (4.2°C).
The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure
Rioz, France
- Average pressure in January:
1019.5mbar - Average pressure in February:
1017.8mbar - Average pressure in March:
1017.2mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.6mbar - Average pressure in June:
1016.7mbar
- Average pressure in July:
1017.1mbar - Average pressure in August:
1017.6mbar - Average pressure in September:
1018.7mbar - Average pressure in October:
1018.3mbar - Average pressure in November:
1015.6mbar - Average pressure in December:
1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed
Rioz, France
- Average wind speed in January:
12.4km/h - Average wind speed in February:
13.1km/h - Average wind speed in March:
12.6km/h - Average wind speed in April:
10.5km/h - Average wind speed in May:
10.4km/h - Average wind speed in June:
9.4km/h
- Average wind speed in July:
8.7km/h - Average wind speed in August:
8km/h - Average wind speed in September:
8.9km/h - Average wind speed in October:
9.4km/h - Average wind speed in November:
11.3km/h - Average wind speed in December:
12.8km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity
Rioz, France
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (78%).
Average rainfall
Rioz, France
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days
Rioz, France
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
12.8 days - Average rainfall days in December:
13.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (11.1 days).
Average snowfall
Rioz, France
The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days
Rioz, France
- Average snowfall days in January:
5.9 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
1.8 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:
0.2 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Rioz, France
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 12min - Average sunshine in November:
4h and 42min - Average sunshine in December:
4h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days
Rioz, France
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
8.9 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
15.3 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.9 days).
Average UV index
Rioz, France
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rioz, France
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Rioz, France
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
