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
January's onset brings an average high-temperature of a still refreshing 63°F (17.2°C), showing a minute difference from December's 61.2°F (16.2°C). In Halcyon, January nights witness a steady temperature drop to a frosty 47.5°F (8.6°C).Humidity
In Halcyon, the average relative humidity in January is 63%.Rainfall
In Halcyon, in January, during 5.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Halcyon, during the entire year, the rain falls for 47.6 days and collects up to 6.93" (176mm) of precipitation.Daylight
In January, the average length of the day in Halcyon is 10h and 7min.On the first day of January, sunrise is at 7:10 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:29 pm PST.
Sunshine
In Halcyon, the average sunshine in January is 6.8h.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Halcyon, California. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What are January temperatures in Halcyon?
What is the average humidity in January in Halcyon?
How many days does it rain in January in Halcyon?
What is the average length of the day in January in Halcyon?
What time are sunrise and sunset in January in Halcyon?
How long on average sun shines in January in Halcyon?
What is the month with the lowest UV index in Halcyon?
What is the UV index intensity in January in Halcyon?
Average temperature in January
Halcyon, CA
- Average high temperature in January: 63°F
The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in January: 47.5°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in January
Halcyon, CA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in January
Halcyon, CA
- Average wind speed in January: 6.2mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Halcyon, CA
- Average humidity in January: 63%
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall in January
Halcyon, CA
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in January
Halcyon, CA
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in January /
Average sunshine in January
Halcyon, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in January
Halcyon, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).
Average UV index in January
Halcyon, CA
- Average UV index in January: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in January
Halcyon, CA
- Average cloud cover in January: 23
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Halcyon, 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).
Halcyon, California, USA
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