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 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
January's presence marks an average high-temperature of a still fresh 55°F (12.8°C), subtly varied from December's 53.1°F (11.7°C). The low-temperature averages to a cold 40.6°F (4.8°C) during the nights of January.Humidity
With an average relative humidity of 46%, January is the most humid month.Rainfall
In January, in Boulder City, the rain falls for 3.5 days. Throughout January, 0.39" (10mm) of precipitation is accumulated. Throughout the year, in Boulder City, there are 40.1 rainfall days, and 4.02" (102mm) of precipitation is accumulated.Snowfall
In Boulder City, snow does not fall in January, March through December.Daylight
In January, the average length of the day is 10h and 3min.On the first day of the month, sunrise is at 6:49 am and sunset at 4:35 pm. On the last day of January, in Boulder City, sunrise is at 6:40 am and sunset at 5:04 pm PST.
Sunshine
In Boulder City, the average sunshine in January is 7.1h.UV index
In Boulder City, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 during January translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January in Boulder City?
What is the most humid month in Boulder City?
What is the average humidity in January in Boulder City?
How much does it rain in Boulder City in January?
When it does not snow in Boulder City?
Does it snow in Boulder City in January?
What is the average length of the day in January in Boulder City?
When are sunrise and sunset in January in Boulder City?
How long on average sun shines in January in Boulder City?
How high is the UV index in January in Boulder City?
Average temperature in January
Boulder City, NV
- Average high temperature in January: 55°F
The warmest month (with the highest average high temperature) is July (101.7°F).
The month with the lowest average high temperature is December (53.1°F).
- Average low temperature in January: 40.6°F
The month with the highest average low temperature is July (81.7°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in January
Boulder City, NV
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.77"Hg).
Average wind speed in January
Boulder City, NV
- Average wind speed in January: 5.8mph
The windiest month (with the highest average wind speed) is June (9.6mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in January
Boulder City, NV
- Average humidity in January: 46%
The month with the highest relative humidity is January (46%).
The month with the lowest relative humidity is June (14%).
Average rainfall in January
Boulder City, NV
- Average rainfall in January: 0.39"
The wettest months (with the highest rainfall) are February, November and December (0.51").
The driest month (with the least rainfall) is June (0").
Average rainfall days in January
Boulder City, NV
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is December (5.3 days).
The month with the least rainy days is June (0.4 days).
Average snowfall in January
Boulder City, NV
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Boulder City, NV
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Boulder City, NV
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 7h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in January
Boulder City, NV
- Average sunshine days in January: 26.4 days
The month with the most sunshine days is June (29.3 days).
The months with the least sunshine days are July and August (22.9 days).
Average UV index in January
Boulder City, NV
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in January
Boulder City, NV
- Average cloud cover in January: 19
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in January
Boulder City, NV
- 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).
Boulder City, Nevada, USA
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