January weather forecast
Bonsall, CA

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Weather in January

January, like December, in Bonsall, California, is another refreshing winter month, with an average temperature varying between 47.8°F (8.8°C) and 64.8°F (18.2°C).

Temperature

The average high-temperature during January registers at a still enjoyable 64.8°F (18.2°C), closely corresponding to the preceding month. Throughout January, the temperature tends to fall to a consistent average low of 47.8°F (8.8°C).

Humidity

In January, the average relative humidity is 57%.

Rainfall

In Bonsall, in January, during 6.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 63.6 rainfall days, and 8.98" (228mm) of precipitation is accumulated.

Daylight

In January, the average length of the day is 10h and 15min.
On the first day of January, sunrise is at 6:52 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 5:19 pm PST.

Sunshine

The average sunshine in January is 6.8h.

UV index

The average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the UV index of 4 transforms into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are January temperatures in Bonsall?

The average high-temperature, in January, in Bonsall, is 64.8°F (18.2°C), while the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in January?

In Bonsall, the average relative humidity in January is 57%.

How many days does it rain in January?

In Bonsall, during January, the rain falls for 6.2 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How many hours of daylight does Bonsall have in January?

The average day length in January is 10h and 15min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 6:52 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 5:19 pm PST.

How long on average sun shines in January?

The average sunshine duration in January is 6.8h.

What is the UV index intensity in January?

In Bonsall, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Bonsall, CA

Average temperature in January - Bonsall, CA
  • Average high temperature in January: 64.8°F

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in January: 47.8°F

The month with the highest average low temperature is August (63°F).
The coldest months (with the lowest average low temperature) are February and December (46.9°F).

Average pressure in January
Bonsall, CA

Average pressure in January - Bonsall, CA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in January
Bonsall, CA

Average wind speed in January - Bonsall, CA
  • Average wind speed in January: 4.9mph

The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

Average humidity in January
Bonsall, CA

Average humidity in January - Bonsall, CA
  • Average humidity in January: 57%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is November (55%).

Average rainfall in January
Bonsall, CA

Average rainfall in January - Bonsall, CA
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in January
Bonsall, CA

Average rainfall days in January - Bonsall, CA
  • Average rainfall days in January: 6.2 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.2 days).

Average daylight in January /
Average sunshine in January
Bonsall, CA

Average daylight in January / Average sunshine in January - Bonsall, CA
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in January
Bonsall, CA

Average sunshine days in January - Bonsall, CA
  • Average sunshine days in January: 23.9 days

The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is February (20 days).

Average UV index in January
Bonsall, CA

Average UV index in January - Bonsall, CA
  • Average UV index in January: 4

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in January
Bonsall, CA

Average cloud cover in January - Bonsall, CA
  • Average cloud cover in January: 21

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in January
Bonsall, CA

Average visibility in January - Bonsall, 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).

Bonsall, California, USA

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