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
The start of January sees the average high-temperature at a still refreshing 65.3°F (18.5°C), showing little difference from December's 63.9°F (17.7°C). Mira Mesa in January experiences a low-temperature average of 49.8°F (9.9°C).Humidity
The average relative humidity in January is 57%.Rainfall
In Mira Mesa, in January, it is raining for 4 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Mira Mesa, there are 41.9 rainfall days, and 3.35" (85mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 16min.On the first day of January, sunrise is at 6:51 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 5:19 pm PST.
Sunshine
January and December, with an average of 6.8h of sunshine, are months with the least sunshine in Mira Mesa.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in January converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the usual temperature for Mira Mesa in January?
What is the average humidity in January in Mira Mesa?
How many days does it rain in January in Mira Mesa?
How many hours of daylight does Mira Mesa have in January?
When are sunrise and sunset in January in Mira Mesa?
What is the month with the least sunshine in Mira Mesa?
How long on average sun shines in January in Mira Mesa?
What is the month with the lowest UV index in Mira Mesa?
What is the UV index reading in January in Mira Mesa?
Average temperature in January
Mira Mesa, CA
- Average high temperature in January: 65.3°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in January: 49.8°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in January
Mira Mesa, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Mira Mesa, CA
- Average wind speed in January: 5.1mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in January
Mira Mesa, CA
- Average humidity in January: 57%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in January
Mira Mesa, CA
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is December (0.63").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Mira Mesa, CA
- Average rainfall days in January: 4 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in January /
Average sunshine in January
Mira Mesa, CA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in January
Mira Mesa, CA
- Average sunshine days in January: 25.7 days
The month with the most sunshine days is October (26.1 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in January
Mira Mesa, 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, March, November and December (UV index 4).
Average cloud cover in January
Mira Mesa, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Mira Mesa, 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).
Mira Mesa, California, USA
Weather forecast for your location
2. Allow the app to use your location
