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
West Menlo Park, California, experiences a recorded average high-temperature of a still refreshing 56.7°F (13.7°C) in January, closely aligned with December's 55.8°F (13.2°C). In January, West Menlo Park reports a consistent average low-temperature of 46.4°F (8°C) during the nights.Humidity
In January, the average relative humidity is 73%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 0.67" (17mm) of precipitation is accumulated. In West Menlo Park, during the entire year, the rain falls for 57.5 days and collects up to 4.76" (121mm) of precipitation.Daylight
In January, the average length of the day is 9h and 56min.On the first day of January, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:31 pm PST.
Sunshine
In January, the average sunshine is 6.3h.UV index
The average daily maximum UV index in January in West Menlo Park is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 during January translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the temperature in January in West Menlo Park?
What is the average humidity in January in West Menlo Park?
How much does it rain in West Menlo Park in January?
What is the average length of the day in January in West Menlo Park?
When is the sunrise / sunset in January in West Menlo Park?
How long on average sun shines in January in West Menlo Park?
What is the UV index reading in January in West Menlo Park?
Average temperature in January
West Menlo Park, CA
- Average high temperature in January: 56.7°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in January: 46.4°F
The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).
Average pressure in January
West Menlo Park, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in January
West Menlo Park, CA
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
West Menlo Park, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
West Menlo Park, CA
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
West Menlo Park, CA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).
Average daylight in January /
Average sunshine in January
West Menlo Park, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
West Menlo Park, CA
- Average sunshine days in January: 21.8 days
The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in January
West Menlo Park, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
West Menlo Park, CA
- Average cloud cover in January: 31
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
West Menlo 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).
West Menlo Park, California, USA
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