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 snowfall 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 transition from December to January sees an average high-temperature of an enjoyable 62.2°F (16.8°C), indicating a minor variance from the prior month. Grand Terrace observes an average nighttime low-temperature of 44.6°F (7°C) during the month of January.Humidity
In January, the average relative humidity in Grand Terrace is 48%.Rainfall
In Grand Terrace, California, in January, during 5.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Grand Terrace, during the entire year, the rain falls for 46.6 days and collects up to 6.18" (157mm) of precipitation.Snowfall
In Grand Terrace, snow does not fall in January, March through December.Daylight
In Grand Terrace, the average length of the day in January is 10h and 11min.On the first day of January in Grand Terrace, sunrise is at 6:54 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:18 pm PST.
Sunshine
In January, the average sunshine is 7h.UV index
The average daily maximum UV index in January in Grand Terrace is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in January converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the temperature in January in Grand Terrace?
What is the average humidity in January in Grand Terrace?
How much does it rain in Grand Terrace in January?
When it does not snow in Grand Terrace?
Does it snow in Grand Terrace in January?
What is the average length of the day in January in Grand Terrace?
When is the sunrise / sunset in January in Grand Terrace?
How many hours of sunshine does Grand Terrace have in January?
What is the UV index intensity in January in Grand Terrace?
Average temperature in January
Grand Terrace, CA
- Average high temperature in January: 62.2°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in January: 44.6°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 (43.5°F).
Average pressure in January
Grand Terrace, 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 (29.85"Hg).
Average wind speed in January
Grand Terrace, CA
- Average wind speed in January: 5.3mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in January
Grand Terrace, CA
- Average humidity in January: 48%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).
Average rainfall in January
Grand Terrace, CA
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Grand Terrace, CA
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in January
Grand Terrace, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Grand Terrace, CA
- Average daylight in January: 10h and 1min
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: 7h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in January
Grand Terrace, CA
- Average sunshine days in January: 24.2 days
The months with the most sunshine days are June and October (27.9 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in January
Grand Terrace, CA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Grand Terrace, CA
- Average cloud cover in January: 19
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Grand Terrace, 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).
Grand Terrace, California, USA
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