Casper, WY weather in March
Expect chilly, snowy weather in Casper in March, with highs near 49°F and lows near 23°F. Rain or snow falls on about 8 days. Snowfall averages about 10.3 in. Pack for snow.
- Normal high
- 49°F
- Normal low
- 23°F
- Wet days
- 8
- 0.8 in total
- Snowfall
- 10.3 in
- snow on the ground 6 days
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 43°F | 53°F |
| Normal low | 18°F | 26°F |
| Chance of a wet day | 24% | 30% |
| Sunrise / sunset | 6:40 am / 5:54 pm | 6:48 am / 7:29 pm |
| Daylight | 11.2 h | 12.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical March day
- 6 am28°Fdew point 20°F
- 9 am36°Fdew point 22°F
- Noon44°Fdew point 21°F
- 3 pm47°Fdew point 21°F
- 6 pm41°Fdew point 22°F
- 9 pm33°Fdew point 22°F
NOAA hourly normals (local standard time) from Casper Natrona Co Airport (8 mi away); average wind 13 mph; clear or few clouds in 62% of daytime hours, mostly cloudy or overcast in 31%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below26 of 31
- Snow on the groundsnow depth 1 in or more6 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 0.8 in; a dry March brings about 0.5 in and a wet one about 1.0 in (25th and 75th percentiles). Days with half an inch or more are rare. Normal snowfall is 10.3 in, with about 3 days of an inch or more.
How March varies from year to year
- Warmest March, 1991-20202012: average high 59°F
- Coolest March2002: average high 39°F
- Wettest March2017: 1.8 in
- Driest March2004: 0.1 in
- Highest reading77°F (March 31, 2012)
- Lowest reading-13°F (March 3, 2015)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 38°F | 49°F | 56°F |
| Normal low | 15°F | 23°F | 28°F |
| Wet days | 7 | 8 | 10 |
| Comfortable days | 0 | 3 | 8 |
| Daylight | 10.6 h | 11.9 h | 13.4 h |
Highs change by +11°F from February and +7°F into April.
Nearby alternatives in March
- Warmer: Fort Collins, CO170 mi · high 56°F · 6 wet days
- Cooler: Keystone, SD162 mi · high 44°F · 8 wet days
How Casper ranks in March
- Normal high280th warmest of 378 cities; 2nd of 4 in Wyoming
- Wet days143rd driest of 378
- Comfortable days247th most of 339
What to pack for Casper in March
- A warm jacket – lows near 23°F, highs near 49°F
- Layers – afternoons near 49°F but nights near 23°F
- A rain jacket or umbrella – rain or snow on about 8 days
- Waterproof boots – about 10.3 in of snow in a typical year
- A hat and gloves – about 26 freezing nights
Heating and cooling
March has 907 heating degree days and 0 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.
Questions
How cold is Casper in March?
The normal high is 49°F and the normal low is 23°F. From 1991 to 2020 the coldest March reading was -13°F (March 3, 2015).
Does it rain a lot in Casper in March?
About 8 days in March have at least 0.01 in of precipitation, and the normal total is 0.8 in. The wettest March in 1991-2020 was in 2017 (1.8 in); the driest was in 2004 (0.1 in).
Does it snow in Casper in March?
Yes. Normal snowfall in March is 10.3 in, and snow covers the ground on about 6 days.
Is March a good time to visit Casper?
March ranks 8th of 12 months on our comfort score for Casper (49 out of 100). It has about 3 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Casper Natrona Co Airport (USW00024089), 7.9 mi WNW of the city center, 5,338 ft (233 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Natrona County International Airport (725690-24089), 8.4 mi WNW of the city center, 5,319 ft (214 ft higher than the city). Hourly observations, 1991-2020.