La Mesa climate

La Mesa Weather in January

NOAA 1991-2020 normals for State Univ, 18.5 km from La Mesa

Average highs run from 57°F on January 1 to 61°F on January 31, and lows from 29°F to 31°F. Normal precipitation for the month is 0.48 in over about 3 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at La Mesa, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
59°F
Average low
30°F
Precipitation
0.48 in
Snowfall
0.4 in
Record high
73°FJan 3, 2006
Record low
9°FJan 24, 2025
Chance of a freeze
100%
Daylight
10 h 05 min to 10 h 39 min
Cloud cover
42%
Humidity
51%
Dew point
23°F
Wind
8.5 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 157°F29°F68°F 202618°F 201011%1%
Jan 257°F29°F70°F 200614°F 201111%1%
Jan 357°F29°F73°F 200617°F 201111%1%
Jan 457°F29°F73°F 202518°F 201511%1%
Jan 557°F29°F67°F 200815°F 201311%1%
Jan 657°F29°F67°F 200815°F 201311%1%
Jan 757°F29°F68°F 202216°F 201411%1%
Jan 858°F29°F71°F 200620°F 201011%1%
Jan 958°F29°F70°F 201714°F 201011%1%
Jan 1058°F29°F70°F 200515°F 200611%1%
Jan 1158°F29°F73°F 200517°F 200611%1%
Jan 1258°F29°F68°F 200417°F 202111%1%
Jan 1358°F29°F67°F 202012°F 201310%1%
Jan 1458°F29°F70°F 202218°F 201210%1%
Jan 1559°F29°F71°F 200317°F 201310%1%
Jan 1659°F29°F67°F 201213°F 201310%1%
Jan 1759°F30°F72°F 201119°F 200610%1%
Jan 1859°F30°F71°F 202114°F 200810%1%
Jan 1959°F30°F73°F 201117°F 200810%1%
Jan 2060°F30°F70°F 200318°F 202510%1%
Jan 2160°F30°F73°F 201912°F 202510%1%
Jan 2260°F30°F67°F 201110°F 202510%1%
Jan 2360°F30°F69°F 200922°F 201510%1%
Jan 2460°F30°F72°F 20139°F 202510%1%
Jan 2560°F30°F70°F 200317°F 201110%1%
Jan 2661°F30°F70°F 200921°F 201710%1%
Jan 2761°F31°F69°F 201216°F 202310%1%
Jan 2861°F31°F73°F 200318°F 200910%1%
Jan 2961°F31°F68°F 200319°F 201410%1%
Jan 3061°F31°F72°F 201420°F 200910%1%
Jan 3161°F31°F71°F 200620°F 200810%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at La Mesa, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

January 1
sunrise 7:08 AM, sunset 5:13 PM
January 31
sunrise 7:01 AM, sunset 5:40 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00298535 (State Univ), public domain. Records: NOAA GHCN-Daily, station USC00298127, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.