Glasgow weather in January: Glasgow, Montana: normal highs, lows, rain and records for January
Glasgow in January has a normal high of 24°F and a normal low of 6°F, a daily mean of 15°F, holding near 24°F all month. Measurable precipitation falls on 8 days in a normal January, 0.44 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −5°C and low of −15°C, 11 mm of precipitation and 25 cm of snow in January.
- NOAA stationGlasgow International Airport
- Station IDUSW00094008
- Location48.21°N 106.62°W
- Elevation2,285 ft (697 m)
- Population3,169
- Jan 24° 6°
- Feb 28° 9°
- Mar 42° 21°
- Apr 57° 33°
- May 68° 43°
- Jun 76° 53°
- Jul 86° 59°
- Aug 85° 57°
- Sep 73° 47°
- Oct 57° 34°
- Nov 40° 21°
- Dec 27° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Glasgow in January?
The normal high is 24°F and the normal low 6°F, for a daily mean of 14.6°F. January is 3.9°F cooler than December and 4.1°F cooler than February. January is the 12th warmest month of the year in Glasgow and the 10th wettest, and the snowiest. Across the month the normal high rises 2°F, from 23°F on January 1 to 25°F on January 31. From one year to the next January's mean temperature typically moves about 6.9°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 8°F and 22°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 23°F | 6°F | 24% | 5% |
| January 8 | 23°F | 6°F | 25% | 5% |
| January 15 | 23°F | 6°F | 25% | 5% |
| January 22 | 24°F | 6°F | 24% | 4% |
| January 31 | 25°F | 7°F | 23% | 4% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 10)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 23°F | 6°F | 24% | 5% | 8 h 20 min |
| January 2 | 23°F | 6°F | 24% | 5% | 8 h 30 min |
| January 3 | 23°F | 6°F | 25% | 5% | 8 h 30 min |
| January 4 | 23°F | 6°F | 25% | 5% | 8 h 30 min |
| January 5 | 23°F | 6°F | 25% | 5% | 8 h 30 min |
| January 6 | 23°F | 6°F | 25% | 5% | 8 h 30 min |
| January 7 | 23°F | 6°F | 25% | 5% | 8 h 30 min |
| January 8 | 23°F | 6°F | 25% | 5% | 8 h 30 min |
| January 9 | 23°F | 6°F | 25% | 5% | 8 h 30 min |
| January 10 | 23°F | 6°F | 25% | 5% | 8 h 40 min |
| January 11 | 23°F | 6°F | 25% | 5% | 8 h 40 min |
| January 12 | 23°F | 6°F | 25% | 5% | 8 h 40 min |
| January 13 | 23°F | 6°F | 25% | 5% | 8 h 40 min |
| January 14 | 23°F | 6°F | 25% | 5% | 8 h 40 min |
| January 15 | 23°F | 6°F | 25% | 5% | 8 h 50 min |
| January 16 | 23°F | 6°F | 25% | 5% | 8 h 50 min |
| January 17 | 23°F | 6°F | 25% | 5% | 8 h 50 min |
| January 18 | 23°F | 6°F | 25% | 5% | 8 h 50 min |
| January 19 | 23°F | 6°F | 25% | 5% | 8 h 50 min |
| January 20 | 24°F | 6°F | 25% | 4% | 9 h |
| January 21 | 24°F | 6°F | 24% | 4% | 9 h |
| January 22 | 24°F | 6°F | 24% | 4% | 9 h |
| January 23 | 24°F | 6°F | 24% | 4% | 9 h |
| January 24 | 24°F | 6°F | 24% | 4% | 9 h 10 min |
| January 25 | 24°F | 6°F | 24% | 4% | 9 h 10 min |
| January 26 | 24°F | 6°F | 24% | 4% | 9 h 10 min |
| January 27 | 24°F | 6°F | 23% | 4% | 9 h 10 min |
| January 28 | 24°F | 6°F | 23% | 4% | 9 h 20 min |
| January 29 | 24°F | 6°F | 23% | 4% | 9 h 20 min |
| January 30 | 25°F | 6°F | 23% | 4% | 9 h 20 min |
| January 31 | 25°F | 7°F | 23% | 4% | 9 h 20 min |
- Normal high
- 24°FJanuary average
- Normal low
- 6°FJanuary average
- Precipitation
- 0.44 inmonth total
- Days with precipitation
- 80.01 inch or more
- Snowfall
- 9.8 inmonth total
- Nights at 32°F or colder
- 31
- Daylight
- 8 h 20 min to 9 h 20 minJanuary 1 to January 31
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094008; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Glasgow in January?
On a given January day the chance of 0.01 inch or more is 24% on average, highest around January 11 (25%). In all, 0.44 in falls on 8 days of a normal January.
In a normal January in Glasgow, 31 nights fall to freezing, 20 days stay below freezing all day and snowfall averages 9.8 inches.
Snow falls on 9 days in a normal January, and an inch or more covers the ground on 24 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094008.
How humid and windy is Glasgow in January?
At 3 p.m. the normal temperature is 24°F with 68% relative humidity and a dew point of 15°F; at 6 a.m. it is 13°F with 84% humidity. The wind averages 9.3 mph, most often from the northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 13°F | 9°F | 84% | 8.9 mph | 60% |
| 9 a.m. | 14°F | 10°F | 83% | 9.1 mph | – |
| noon | 20°F | 13°F | 73% | 9.8 mph | 60% |
| 3 p.m. | 24°F | 15°F | 68% | 10.1 mph | 59% |
| 6 p.m. | 19°F | 13°F | 76% | 9.2 mph | 60% |
| 9 p.m. | 17°F | 12°F | 81% | 9.0 mph | 63% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094008. 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 January in Glasgow?
The warmest January temperature on Glasgow's official record (since 1893) is 62°F, on January 17, 1919; the coldest is −56°F, on January 12, 1916. The wettest January brought 2.50 in (1916); the snowiest, 41.6 inches (2011).
The January mean against the 1991-2020 normal of 14.6°F: 2021 27.3°F (+12.7), 2022 16.9°F (+2.3), 2023 15.9°F (+1.3), 2024 12.9°F (−1.7), 2025 18.4°F (+3.8), 2026 18.3°F (+3.7). 5 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 27.3°F | +12.7°F | 0.07 in |
| 2022 | 16.9°F | +2.3°F | 0.26 in |
| 2023 | 15.9°F | +1.3°F | 0.11 in |
| 2024 | 12.9°F | −1.7°F | 0.30 in |
| 2025 | 18.4°F | +3.8°F | 0.26 in |
| 2026 | 18.3°F | +3.7°F | 0.05 in |
Source: records: ACIS, NWS threaded record GGWthr; recent months: ACIS, station USW00094008. Records and recent months use complete months only.
How does January in Glasgow compare across Montana?
Across the 141 places PlainClimate covers in Montana, January normal highs run from 20°F in Westby to 40°F in Nye; Glasgow's is 24°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.