Half Moon Bay weather in February: Half Moon Bay, California: normal highs, lows, rain and records for February

Half Moon Bay in February has a normal high of 60°F and a normal low of 43°F, a daily mean of 51°F, holding near 60°F all month. Measurable precipitation falls on 14 days in a normal February, 4.73 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 15°C and low of 6°C, 120 mm of precipitation in February.

  • NOAA stationHalf Moon Bay
  • Station IDUSC00043714
  • Location37.47°N 122.44°W
  • Elevation27 ft (8 m)
  • Population11,324
  1. Jan 59° 43°
  2. Feb 60° 43°
  3. Mar 60° 44°
  4. Apr 61° 45°
  5. May 62° 48°
  6. Jun 64° 50°
  7. Jul 65° 53°
  8. Aug 66° 54°
  9. Sep 66° 51°
  10. Oct 66° 48°
  11. Nov 63° 45°
  12. Dec 59° 43°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Half Moon Bay in February?

The normal high is 60°F and the normal low 43°F, for a daily mean of 51.3°F. February is 0.1°F cooler than January and 0.8°F cooler than March. February is the 11th warmest month of the year in Half Moon Bay and the 3rd wettest. From one year to the next February's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Februarys in three average between 49°F and 53°F.

Half Moon Bay in February, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 49%).

Normal high and low on five days of February, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
February 160°F43°F46%28%
February 860°F43°F47%29%
February 1559°F43°F48%30%
February 2260°F43°F49%30%
February 2860°F43°F49%30%
Every day of February: normal high, low and chance of precipitation (warmest afternoon February 28, coldest night February 9)
Half Moon Bay: NOAA 1991-2020 daily normals for each day of February
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
February 160°F43°F46%28%10 h 20 min
February 260°F43°F46%28%10 h 20 min
February 360°F43°F46%28%10 h 20 min
February 460°F43°F46%29%10 h 20 min
February 560°F43°F47%29%10 h 30 min
February 660°F43°F47%29%10 h 30 min
February 760°F43°F47%29%10 h 30 min
February 860°F43°F47%29%10 h 30 min
February 960°F43°F47%29%10 h 30 min
February 1060°F43°F47%30%10 h 40 min
February 1159°F43°F47%30%10 h 40 min
February 1259°F43°F48%30%10 h 40 min
February 1359°F43°F48%30%10 h 40 min
February 1459°F43°F48%30%10 h 50 min
February 1559°F43°F48%30%10 h 50 min
February 1659°F43°F48%30%10 h 50 min
February 1759°F43°F48%30%10 h 50 min
February 1859°F43°F49%30%10 h 50 min
February 1960°F43°F49%30%11 h
February 2060°F43°F49%30%11 h
February 2160°F43°F49%30%11 h
February 2260°F43°F49%30%11 h
February 2360°F43°F49%30%11 h 10 min
February 2460°F43°F49%30%11 h 10 min
February 2560°F43°F49%30%11 h 10 min
February 2660°F43°F49%30%11 h 10 min
February 2760°F43°F49%30%11 h 20 min
February 2860°F43°F49%30%11 h 20 min
February 2960°F43°F49%30%11 h 20 min
Normal high
60°FFebruary average
Normal low
43°FFebruary average
Precipitation
4.73 inmonth total
Days with precipitation
140.01 inch or more
Nights at 32°F or colder
1
Daylight
10 h 20 min to 11 h 20 minFebruary 1 to February 28
Days at 70°F or more
2
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00043714; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Half Moon Bay in February?

On a given February day the chance of 0.01 inch or more is 48% on average, highest around February 26 (49%). In all, 4.73 in falls on 14 days of a normal February, 1 of them with an inch or more.

In a normal February in Half Moon Bay, 1 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00043714.

What are the records for February in Half Moon Bay?

The warmest February temperature on this station's record (since 1939) is 79°F, on February 27, 2026; the coldest is 28°F, on February 5, 1989. The wettest February brought 15.70 in (1998).

The February mean against the 1991-2020 normal of 51.3°F: 2021 49.9°F (−1.4), 2022 50.1°F (−1.2), 2023 46.8°F (−4.5), 2024 52.2°F (+0.9), 2025 51.2°F (−0.1), 2026 55.7°F (+4.4). 2 of 6 ran warmer than normal.

Half Moon Bay: February in recent years against the 1991-2020 normal
FebruaryMeanAgainst normalPrecip.
202149.9°F−1.4°F2.56 in
202250.1°F−1.2°F0.12 in
202346.8°F−4.5°F4.28 in
202452.2°F+0.9°F5.80 in
202551.2°F−0.1°F4.31 in
202655.7°F+4.4°F4.13 in

Source: records: ACIS, station USC00043714; recent months: ACIS, station USC00043714. Records and recent months use complete months only.

How does February in Half Moon Bay compare across California?

Across the 219 places PlainClimate covers in California, February normal highs run from 38°F in Tahoma to 75°F in Brawley; Half Moon Bay's is 60°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places