Custer weather in February: Custer, South Dakota: normal highs, lows, rain and records for February
Custer in February has a normal high of 35°F and a normal low of 15°F, a daily mean of 25°F, rising from 34°F on the 1st to 39°F by the 29th. Measurable precipitation falls on 7 days in a normal February, 0.59 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −9°C, 15 mm of precipitation in February.
- NOAA stationCuster County Airport
- Station IDUSW00094032
- Location43.73°N 103.61°W
- Elevation5,545 ft (1,690 m)
- Population1,829
- Jan 35° 15°
- Feb 35° 15°
- Mar 44° 22°
- Apr 50° 29°
- May 60° 38°
- Jun 71° 47°
- Jul 79° 54°
- Aug 78° 52°
- Sep 69° 43°
- Oct 54° 32°
- Nov 43° 22°
- Dec 35° 16°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Custer in February?
The normal high is 35°F and the normal low 15°F, for a daily mean of 25.1°F. February is 0.0°F warmer than January and 7.8°F cooler than March. February is the 11th warmest month of the year in Custer and the 9th wettest. Across the month the normal high rises 5°F, from 34°F on February 1 to 39°F on February 29. From one year to the next February's mean temperature typically moves about 5.5°F either way (NOAA's standard deviation), so roughly two Februarys in three average between 20°F and 31°F.
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 24%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| February 1 | 34°F | 14°F | 22% | 6% |
| February 8 | 34°F | 14°F | 23% | 7% |
| February 15 | 35°F | 15°F | 24% | 7% |
| February 22 | 36°F | 16°F | 24% | 7% |
| February 28 | 38°F | 18°F | 24% | 7% |
Every day of February: normal high, low and chance of precipitation (warmest afternoon February 29, coldest night February 4)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| February 1 | 34°F | 14°F | 22% | 6% | 9 h 50 min |
| February 2 | 34°F | 14°F | 22% | 6% | 9 h 50 min |
| February 3 | 34°F | 14°F | 22% | 6% | 10 h |
| February 4 | 34°F | 14°F | 23% | 6% | 10 h |
| February 5 | 34°F | 14°F | 23% | 6% | 10 h |
| February 6 | 34°F | 14°F | 23% | 6% | 10 h |
| February 7 | 34°F | 14°F | 23% | 7% | 10 h 10 min |
| February 8 | 34°F | 14°F | 23% | 7% | 10 h 10 min |
| February 9 | 34°F | 14°F | 23% | 7% | 10 h 10 min |
| February 10 | 34°F | 14°F | 23% | 7% | 10 h 10 min |
| February 11 | 34°F | 14°F | 24% | 7% | 10 h 20 min |
| February 12 | 34°F | 14°F | 24% | 7% | 10 h 20 min |
| February 13 | 34°F | 14°F | 24% | 7% | 10 h 20 min |
| February 14 | 35°F | 14°F | 24% | 7% | 10 h 30 min |
| February 15 | 35°F | 15°F | 24% | 7% | 10 h 30 min |
| February 16 | 35°F | 15°F | 24% | 7% | 10 h 30 min |
| February 17 | 35°F | 15°F | 24% | 7% | 10 h 30 min |
| February 18 | 35°F | 15°F | 24% | 7% | 10 h 40 min |
| February 19 | 36°F | 15°F | 24% | 7% | 10 h 40 min |
| February 20 | 36°F | 15°F | 24% | 7% | 10 h 40 min |
| February 21 | 36°F | 16°F | 24% | 7% | 10 h 50 min |
| February 22 | 36°F | 16°F | 24% | 7% | 10 h 50 min |
| February 23 | 37°F | 16°F | 24% | 7% | 10 h 50 min |
| February 24 | 37°F | 16°F | 24% | 7% | 10 h 50 min |
| February 25 | 37°F | 17°F | 24% | 7% | 11 h |
| February 26 | 38°F | 17°F | 24% | 7% | 11 h |
| February 27 | 38°F | 17°F | 24% | 7% | 11 h |
| February 28 | 38°F | 18°F | 24% | 7% | 11 h 10 min |
| February 29 | 39°F | 18°F | 24% | 8% | 11 h 10 min |
- Normal high
- 35°FFebruary average
- Normal low
- 15°FFebruary average
- Precipitation
- 0.59 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 27
- Daylight
- 9 h 50 min to 11 h 10 minFebruary 1 to February 28
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094032; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Custer in February?
On a given February day the chance of 0.01 inch or more is 23% on average, highest around February 15 (24%). In all, 0.59 in falls on 7 days of a normal February.
In a normal February in Custer, 27 nights fall to freezing and 12 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094032.
How humid and windy is Custer in February?
At 3 p.m. the normal temperature is 35°F with 41% relative humidity and a dew point of 14°F; at 6 a.m. it is 21°F with 66% humidity. The wind averages 6.8 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 21°F | 11°F | 66% | 5.5 mph | – |
| 9 a.m. | 29°F | 14°F | 52% | 7.1 mph | – |
| noon | 35°F | 14°F | 41% | 10.2 mph | – |
| 3 p.m. | 35°F | 14°F | 41% | 9.8 mph | – |
| 6 p.m. | 29°F | 14°F | 52% | 5.8 mph | – |
| 9 p.m. | 24°F | 13°F | 63% | 5.4 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094032. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for February in Custer?
The warmest February temperature on this station's record (since 1999) is 61°F, on February 27, 2016; the coldest is −29°F, on February 18, 2006. The wettest February brought 1.83 in (2018).
The February mean against the 1991-2020 normal of 25.1°F: 2021 14.0°F (−11.1), 2022 21.6°F (−3.5), 2023 25.4°F (+0.3), 2024 31.4°F (+6.3), 2025 19.2°F (−5.9), 2026 33.7°F (+8.6). 3 of 6 ran warmer than normal.
| February | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 14.0°F | −11.1°F | 0.88 in |
| 2022 | 21.6°F | −3.5°F | 0.68 in |
| 2023 | 25.4°F | +0.3°F | 0.73 in |
| 2024 | 31.4°F | +6.3°F | 1.20 in |
| 2025 | 19.2°F | −5.9°F | 0.81 in |
| 2026 | 33.7°F | +8.6°F | 0.28 in |
Source: records: ACIS, station USW00094032; recent months: ACIS, station USW00094032. Records and recent months use complete months only.
How does February in Custer compare across South Dakota?
Across the 100 places PlainClimate covers in South Dakota, February normal highs run from 25°F in Astoria to 43°F in Hot Springs; Custer's is 35°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.