January weather forecastMonterey Park, CA
January
Weather in January
January, like December, in Monterey Park, California, is another refreshing winter month, with an average temperature varying between 66.4°F (19.1°C) and 49.5°F (9.7°C).Temperature
The arrival of January denotes a barely perceptible change in the average high-temperatures to a still enjoyable 66.4°F (19.1°C) from December's 63.7°F (17.6°C). Monterey Park's nights in January cool down to an average low-temperature of 49.5°F (9.7°C).Humidity
The average relative humidity in January is 51%.Rainfall
In Monterey Park, in January, it is raining for 3.5 days, with typically 0.31" (8mm) of accumulated precipitation. In Monterey Park, during the entire year, the rain falls for 29.9 days and collects up to 2.17" (55mm) of precipitation.Daylight
In January, the average length of the day is 10h and 11min.On the first day of January, sunrise is at 6:57 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:21 pm PST.
Sunshine
January, February and December, with an average of 6.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Monterey Park are January, February, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in January converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Monterey Park, CA
- Average high temperature in January: 66.4°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in January: 49.5°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.6°F).
Average pressure in January
Monterey Park, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Monterey Park, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).
Average humidity in January
Monterey Park, CA
- Average humidity in January: 51%
The month with the highest relative humidity is June (60%).
The month with the lowest relative humidity is November (47%).
Average rainfall in January
Monterey Park, CA
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is February (0.47").
The driest month (with the least rainfall) is June (0").
Average rainfall days in January
Monterey Park, CA
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is March (6.2 days).
The month with the least rainy days is June (0.6 days).
Average daylight in January /
Average sunshine in January
Monterey Park, CA
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days in January
Monterey Park, CA
- Average sunshine days in January: 26.6 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (23.4 days).
Average UV index in January
Monterey Park, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in January
Monterey Park, CA
- Average cloud cover in January: 20
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Monterey Park, 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).





