Alamosa weather in March: Alamosa, Colorado: normal highs, lows, rain and records for March
Alamosa in March has a normal high of 53°F and a normal low of 18°F, a daily mean of 35°F, rising from 47°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 5 days in a normal March, 0.54 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of −8°C, 14 mm of precipitation and 11 cm of snow in March.
- NOAA stationAlamosa-Bergman Field
- Station IDUSW00023061
- Location37.44°N 105.86°W
- Elevation7,533 ft (2,296 m)
- From the center3 miles
- Population9,906
- Jan 35° -1°
- Feb 41° 7°
- Mar 53° 18°
- Apr 60° 25°
- May 70° 34°
- Jun 80° 41°
- Jul 83° 47°
- Aug 81° 46°
- Sep 74° 37°
- Oct 63° 25°
- Nov 49° 12°
- Dec 35° 1°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Alamosa in March?
The normal high is 53°F and the normal low 18°F, for a daily mean of 35.2°F. March is 10.9°F warmer than February and 7.4°F cooler than April. March is the 8th warmest month of the year in Alamosa and the 7th wettest. Across the month the normal high rises 10°F, from 47°F on March 1 to 57°F on March 31. From one year to the next March's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 33°F and 38°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 16%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 47°F | 13°F | 14% | 4% |
| March 8 | 50°F | 16°F | 15% | 5% |
| March 15 | 53°F | 18°F | 15% | 5% |
| March 22 | 55°F | 19°F | 16% | 6% |
| March 31 | 57°F | 21°F | 16% | 6% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 47°F | 13°F | 14% | 4% | 11 h 20 min |
| March 2 | 47°F | 14°F | 14% | 4% | 11 h 20 min |
| March 3 | 48°F | 14°F | 14% | 4% | 11 h 20 min |
| March 4 | 48°F | 14°F | 14% | 4% | 11 h 30 min |
| March 5 | 49°F | 15°F | 14% | 4% | 11 h 30 min |
| March 6 | 49°F | 15°F | 15% | 5% | 11 h 30 min |
| March 7 | 50°F | 15°F | 15% | 5% | 11 h 30 min |
| March 8 | 50°F | 16°F | 15% | 5% | 11 h 40 min |
| March 9 | 50°F | 16°F | 15% | 5% | 11 h 40 min |
| March 10 | 51°F | 16°F | 15% | 5% | 11 h 40 min |
| March 11 | 51°F | 17°F | 15% | 5% | 11 h 40 min |
| March 12 | 52°F | 17°F | 15% | 5% | 11 h 50 min |
| March 13 | 52°F | 17°F | 15% | 5% | 11 h 50 min |
| March 14 | 52°F | 17°F | 15% | 5% | 11 h 50 min |
| March 15 | 53°F | 18°F | 15% | 5% | 11 h 50 min |
| March 16 | 53°F | 18°F | 15% | 5% | 12 h |
| March 17 | 54°F | 18°F | 15% | 5% | 12 h |
| March 18 | 54°F | 18°F | 15% | 5% | 12 h |
| March 19 | 54°F | 19°F | 15% | 5% | 12 h |
| March 20 | 55°F | 19°F | 15% | 6% | 12 h 10 min |
| March 21 | 55°F | 19°F | 16% | 6% | 12 h 10 min |
| March 22 | 55°F | 19°F | 16% | 6% | 12 h 10 min |
| March 23 | 55°F | 19°F | 16% | 6% | 12 h 10 min |
| March 24 | 56°F | 20°F | 16% | 6% | 12 h 20 min |
| March 25 | 56°F | 20°F | 16% | 6% | 12 h 20 min |
| March 26 | 56°F | 20°F | 16% | 6% | 12 h 20 min |
| March 27 | 56°F | 20°F | 16% | 6% | 12 h 20 min |
| March 28 | 57°F | 21°F | 16% | 6% | 12 h 20 min |
| March 29 | 57°F | 21°F | 16% | 6% | 12 h 30 min |
| March 30 | 57°F | 21°F | 16% | 6% | 12 h 30 min |
| March 31 | 57°F | 21°F | 16% | 6% | 12 h 30 min |
- Normal high
- 53°FMarch average
- Normal low
- 18°FMarch average
- Precipitation
- 0.54 inmonth total
- Days with precipitation
- 50.01 inch or more
- Snowfall
- 4.3 inmonth total
- Nights at 32°F or colder
- 30
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 1
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023061; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Alamosa in March?
On a given March day the chance of 0.01 inch or more is 15% on average, highest around March 27 (16%). In all, 0.54 in falls on 5 days of a normal March.
In a normal March in Alamosa, 30 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 4.3 inches.
Snow falls on 3 days in a normal March, and an inch or more covers the ground on 3 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023061.
How humid and windy is Alamosa in March?
At 3 p.m. the normal temperature is 53°F with 21% relative humidity and a dew point of 15°F; at 6 a.m. it is 25°F with 71% humidity. The wind averages 9.5 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 25°F | 16°F | 71% | 5.9 mph | – |
| 9 a.m. | 41°F | 19°F | 41% | 8.0 mph | 81% |
| noon | 50°F | 16°F | 25% | 12.3 mph | 71% |
| 3 p.m. | 53°F | 15°F | 21% | 14.8 mph | 70% |
| 6 p.m. | 48°F | 16°F | 27% | 13.8 mph | 71% |
| 9 p.m. | 38°F | 18°F | 45% | 8.7 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023061. 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 March in Alamosa?
The warmest March temperature on Alamosa's official record (since 1906) is 83°F, on March 21, 2026; the coldest is −20°F, on March 4, 1964. The wettest March brought 1.62 in (1992); the snowiest, 29.2 inches (1973).
The March mean against the 1991-2020 normal of 35.2°F: 2021 34.3°F (−0.9), 2022 32.7°F (−2.5), 2023 32.8°F (−2.4), 2024 35.8°F (+0.6), 2025 36.2°F (+1.0), 2026 43.9°F (+8.7). 3 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 34.3°F | −0.9°F | 0.26 in |
| 2022 | 32.7°F | −2.5°F | 0.44 in |
| 2023 | 32.8°F | −2.4°F | 0.37 in |
| 2024 | 35.8°F | +0.6°F | 1.22 in |
| 2025 | 36.2°F | +1.0°F | 0.18 in |
| 2026 | 43.9°F | +8.7°F | 0.00 in |
Source: records: ACIS, NWS threaded record ALSthr; recent months: ACIS, station USW00023061. Records and recent months use complete months only.
How does March in Alamosa compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, March normal highs run from 37°F in Leadville to 63°F in Rocky Ford; Alamosa's is 53°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.