Climate and monthly weather forecastOrleans, CA
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Orleans, California, with an average temperature varying between 49.5°F (9.7°C) and 32.5°F (0.3°C). January welcomes an average high-temperature of a still frosty 49.5°F (9.7°C), not much different from the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Orleans, California, with an average temperature fluctuating between 49.5°F (9.7°C) and 31.8°F (-0.1°C). Orleans observes an average high-temperature of a still chilly 49.5°F (9.7°C) in February, the same as January. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Orleans, California, with an average temperature fluctuating between 31.5°F (-0.3°C) and 51.1°F (10.6°C). March's arrival brings an average high-temperature of a cool 51.1°F (10.6°C), demonstrating subtle variation from the preceding month. Weather in March »Weather in April
April in Orleans, California, is a moderate spring month, with an average temperature fluctuating between 57.4°F (14.1°C) and 33.8°F (1°C). With the onset of April, Orleans experiences a subtle temperature shift, with the average high-temperature moving from a cool 51.1°F (10.6°C) in March to a moderate 57.4°F (14.1°C). Weather in April »Weather in May
May, the last month of the spring in Orleans, is an enjoyable month, with an average temperature varying between 65.1°F (18.4°C) and 37.8°F (3.2°C). Orleans's weather shows a minor temperature rise with the arrival of May, moving from a moderate 57.4°F (14.1°C) in April to a still refreshing 65.1°F (18.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Orleans, California, with an average temperature varying between 73.6°F (23.1°C) and 42.4°F (5.8°C). Orleans in June experiences a slight uptick in the average high-temperature, adjusting from May's refreshing 65.1°F (18.4°C) to a warm 73.6°F (23.1°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Orleans, California, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 83.1°F (28.4°C). The shift from June to July sees an increase in the average high-temperature, transitioning from 73.6°F (23.1°C) to a still moderately hot 83.1°F (28.4°C). Weather in July »Weather in August
August, the last month of the summer in Orleans, is another warm month, with an average temperature ranging between max 83.3°F (28.5°C) and min 46.9°F (8.3°C). The warmest period is August, when temperatures fluctuate between an average high of 83.3°F (28.5°C) and a low of 46.9°F (8.3°C). In August, the heat index is appraised at a hot 86°F (30°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Orleans, California, with an average temperature varying between 76.8°F (24.9°C) and 43.7°F (6.5°C). Transition into September subtly marks a drop in the average high-temperature, moderately moving from 83.3°F (28.5°C) in August to a still warm 76.8°F (24.9°C). Weather in September »Weather in October
October, like September, in Orleans, California, is another enjoyable autumn month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 65.7°F (18.7°C). The start of October comes with a reduction in the average high-temperature, receding from a warm 76.8°F (24.9°C) in September to a comfortable 65.7°F (18.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Orleans, California, with an average temperature varying between 54.5°F (12.5°C) and 34.5°F (1.4°C). November shows a mild decline in the average high-temperature, falling from October's comfortable 65.7°F (18.7°C) to a cool 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Orleans, California, with an average temperature fluctuating between 30.7°F (-0.7°C) and 47.1°F (8.4°C). Orleans's December weather, with an average high temperature of 47.1°F (8.4°C) and an average low temperature of 30.7°F (-0.7°C), tends to be the coldest of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Orleans, CA
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (47.1°F).
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure
Orleans, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed
Orleans, CA
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5mph - Average wind speed in April:
4.6mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.3mph - Average wind speed in December:
4.6mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Orleans, CA
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (61%).
Average rainfall
Orleans, CA
- Average rainfall in January:
7.17" - Average rainfall in February:
5.43" - Average rainfall in March:
6.14" - Average rainfall in April:
3.15" - Average rainfall in May:
2.36" - Average rainfall in June:
0.67"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.16" - Average rainfall in September:
0.91" - Average rainfall in October:
2.44" - Average rainfall in November:
3.94" - Average rainfall in December:
6.54"
The wettest month (with the highest rainfall) is January (7.17").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days
Orleans, CA
- Average rainfall days in January:
15.8 days - Average rainfall days in February:
14.1 days - Average rainfall days in March:
19.3 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
6.1 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
2.3 days - Average rainfall days in September:
4.5 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
16 days
The month with the highest number of rainy days is March (19.3 days).
The months with the least rainy days are July and August (2.3 days).
Average snowfall
Orleans, CA
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Orleans, CA
- Average snowfall days in January:
0.6 days - Average snowfall days in February:
1.4 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Orleans, CA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
5h and 6min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 18min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Orleans, CA
- Average sunshine days in January:
14 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
17.5 days - Average sunshine days in June:
23 days
- Average sunshine days in July:
27.6 days - Average sunshine days in August:
27.5 days - Average sunshine days in September:
24.5 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
14 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is March (10.3 days).
Average UV index
Orleans, CA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover
Orleans, CA
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility
Orleans, CA
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are March, April and December (4mi).





