Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The weather during January records an average high-temperature of a refreshing 55.9°F (13.3°C), closely mirroring the preceding month. Throughout January, Isleton experiences a low-temperature average of 41.5°F (5.3°C).Humidity
January and March, with an average relative humidity of 74%, are the most humid months.Rainfall
In Isleton, in January, during 8.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Isleton, California, during the entire year, the rain falls for 68.7 days and collects up to 11.18" (284mm) of precipitation.Daylight
In January, the average length of the day in Isleton, California, is 9h and 52min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:57 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:27 pm PST.
Sunshine
In January, the average sunshine is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 3 in January transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Isleton in January?
What are the most humid months in Isleton?
What is the average humidity in January in Isleton?
How much does it rain in Isleton in January?
How many hours of daylight does Isleton have in January?
When are sunrise and sunset in January in Isleton?
How long on average sun shines in January in Isleton?
What is the month with the lowest UV index in Isleton?
What is the UV index reading in January in Isleton?
Average temperature in January
Isleton, CA
- Average high temperature in January: 55.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in January: 41.5°F
The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in January
Isleton, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Isleton, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in January
Isleton, CA
- Average humidity in January: 74%
The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).
Average rainfall in January
Isleton, CA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").
Average rainfall days in January
Isleton, CA
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).
Average daylight in January /
Average sunshine in January
Isleton, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
Isleton, CA
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in January
Isleton, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Isleton, CA
- Average cloud cover in January: 34
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Isleton, CA
- Average visibility in January: 6mi
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).
Isleton, California, USA
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