Climate and monthly weather forecastRiverkern, CA
Climate and monthly weather forecast
Weather in January
January in Riverkern, California, is a fresh winter month, with an average temperature ranging between max 50.7°F (10.4°C) and min 33.1°F (0.6°C). The initiation of January sees an average high-temperature of a cool 50.7°F (10.4°C), showing minor variations from the previous month. Weather in January »Weather in February
February, the last month of the winter in Riverkern, is another cool month, with an average temperature varying between 32.4°F (0.2°C) and 50.5°F (10.3°C). February's advent notes a subtle adjustment in average high-temperature to a still cool 50.5°F (10.3°C) from January. Weather in February »Weather in March
The first month of the spring, March, is still a cool month in Riverkern, California, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 54.7°F (12.6°C). In March, Riverkern experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 50.5°F (10.3°C) in February to a still fresh 54.7°F (12.6°C). Weather in March »Weather in April
April is a moderate spring month in Riverkern, California, with an average temperature varying between 37.9°F (3.3°C) and 60.4°F (15.8°C). The beginning of April marks a minor shift in the average high-temperature, moving from March's fresh 54.7°F (12.6°C) to a moderate 60.4°F (15.8°C). Weather in April »Weather in May
May, the last month of the spring in Riverkern, is a refreshing month, with an average temperature fluctuating between 67.8°F (19.9°C) and 44.6°F (7°C). May introduces a minor temperature shift, with average high-temperatures adjusting from April's 60.4°F (15.8°C) to a still refreshing 67.8°F (19.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Riverkern, California, with an average temperature fluctuating between 52.7°F (11.5°C) and 79.3°F (26.3°C). With the onset of June, Riverkern's weather sees a temperature rise, transitioning from an enjoyable 67.8°F (19.9°C) in May to a warm 79.3°F (26.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Riverkern, California, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 58.6°F (14.8°C). July, on average, is the warmest month, registering a high temperature of 85.8°F (29.9°C) and a low of 58.6°F (14.8°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Riverkern, California, with an average temperature ranging between max 84.7°F (29.3°C) and min 57.6°F (14.2°C). The average high-temperature for August is a still moderately hot 84.7°F (29.3°C), closely aligning with the temperature of the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Riverkern, is also a moderately hot month, with an average temperature ranging between min 52.7°F (11.5°C) and max 78.6°F (25.9°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 84.7°F (29.3°C) to a still warm 78.6°F (25.9°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Riverkern, California, with an average temperature varying between 45°F (7.2°C) and 67.5°F (19.7°C). October brings a decrease in the average high-temperature, shifting from a warm 78.6°F (25.9°C) in September to a refreshing 67.5°F (19.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in Riverkern, California, with an average temperature varying between 57.9°F (14.4°C) and 37.2°F (2.9°C). November is characterized by a reduction in the average high-temperature, from an enjoyable 67.5°F (19.7°C) in October to a mild 57.9°F (14.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Riverkern, California, with an average temperature fluctuating between 30.9°F (-0.6°C) and 48.7°F (9.3°C). Riverkern's coldest month, December, registers temperatures that range from a high of 48.7°F (9.3°C) to a low of 30.9°F (-0.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Riverkern, CA
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48.7°F).
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (30.9°F).
Average pressure
Riverkern, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Riverkern, CA
- Average wind speed in January:
5.4mph - Average wind speed in February:
5.9mph - Average wind speed in March:
6.5mph - Average wind speed in April:
7mph - Average wind speed in May:
7.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6mph - Average wind speed in September:
5.4mph - Average wind speed in October:
5.6mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.6mph
The windiest months (with the highest average wind speed) are May and June (7.3mph).
The calmest months (with the lowest average wind speed) are January and September (5.4mph).
Average humidity
Riverkern, CA
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is August (31%).
Average rainfall
Riverkern, CA
- Average rainfall in January:
2.48" - Average rainfall in February:
2.05" - Average rainfall in March:
1.65" - Average rainfall in April:
1.02" - Average rainfall in May:
0.39" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.16" - Average rainfall in September:
0.12" - Average rainfall in October:
0.35" - Average rainfall in November:
1.18" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is January (2.48").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Riverkern, CA
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
7.1 days - Average rainfall days in May:
4.4 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
5.1 days - Average rainfall days in August:
1.9 days - Average rainfall days in September:
2.5 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
4.2 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall
Riverkern, CA
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Riverkern, CA
- Average snowfall days in January:
1.5 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
1.6 days - Average snowfall days in April:
0.8 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:
1 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Riverkern, CA
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 42min - Average sunshine in February:
6h and 42min - Average sunshine in March:
8h and 36min - Average sunshine in April:
11h and 6min - Average sunshine in May:
11h and 36min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 0min - Average sunshine in October:
8h and 24min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 42min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days
Riverkern, CA
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
19 days - Average sunshine days in March:
19.5 days - Average sunshine days in April:
21.3 days - Average sunshine days in May:
25.9 days - Average sunshine days in June:
28.3 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
27.4 days - Average sunshine days in September:
26.6 days - Average sunshine days in October:
27.3 days - Average sunshine days in November:
24.3 days - Average sunshine days in December:
22 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (19 days).
Average UV index
Riverkern, CA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover
Riverkern, CA
The month with the most cloud cover is March (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility
Riverkern, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





