Green Bay, WI weather in March
March in Green Bay: cold, with frequent rain and some snow. Highs 40°F, lows 24°F, rain or snow on about 10 days and about 8.1 in of snow.
- Normal high
- 40°F
- Normal low
- 24°F
- Wet days
- 10
- 2.0 in total
- Snowfall
- 8.1 in
- snow on the ground 13 days
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 34°F | 47°F |
| Normal low | 18°F | 30°F |
| Chance of a wet day | 34% | 35% |
| Sunrise / sunset | 6:29 am / 5:39 pm | 6:34 am / 7:17 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 (Central Time).
A typical March day
- 6 am27°Fdew point 21°F
- 9 am32°Fdew point 23°F
- Noon37°Fdew point 25°F
- 3 pm39°Fdew point 25°F
- 6 pm35°Fdew point 24°F
- 9 pm32°Fdew point 24°F
NOAA hourly normals (local standard time) from Green Bay (5 mi away); average wind 10 mph; clear or few clouds in 50% of daytime hours, mostly cloudy or overcast in 45%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 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 snow10 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below25 of 31
- Snow on the groundsnow depth 1 in or more13 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 2.0 in; a dry March brings about 1.0 in and a wet one about 2.6 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 8.1 in, with about 3 days of an inch or more.
How March varies from year to year
- Warmest March, 1991-20202012: average high 56°F
- Coolest March2014: average high 33°F
- Wettest March2020: 4.4 in
- Driest March1999: 0.1 in
- Highest reading82°F (March 21, 2012)
- Lowest reading-24°F (March 3, 2014)
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 | 29°F | 40°F | 54°F |
| Normal low | 13°F | 24°F | 35°F |
| Wet days | 9 | 10 | 12 |
| Comfortable days | 0 | 1 | 5 |
| Daylight | 10.5 h | 11.9 h | 13.5 h |
Highs change by +11°F from February and +14°F into April.
Nearby alternatives in March
- Warmer: Rockford, IL164 mi · high 47°F · 11 wet days
How Green Bay ranks in March
- Normal high360th warmest of 378 cities; 4th of 5 in Wisconsin
- Wet days246th driest of 378
- Comfortable days307th most of 339
What to pack for Green Bay in March
- A warm jacket – lows near 24°F, highs near 40°F
- A rain jacket or umbrella – rain or snow on about 10 days
- Waterproof boots – snow on the ground on about 13 days
- A hat and gloves – about 25 freezing nights
Heating and cooling
March has 1019 heating degree days and 0 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How cold is Green Bay in March?
The normal high is 40°F and the normal low is 24°F. From 1991 to 2020 the coldest March reading was -24°F (March 3, 2014).
Does it rain a lot in Green Bay in March?
About 10 days in March have at least 0.01 in of precipitation, and the normal total is 2.0 in. The wettest March in 1991-2020 was in 2020 (4.4 in); the driest was in 1999 (0.2 in).
Does it snow in Green Bay in March?
Yes. Normal snowfall in March is 8.1 in, and snow covers the ground on about 13 days.
Is March a good time to visit Green Bay?
March ranks 8th of 12 months on our comfort score for Green Bay (39 out of 100). It has about 1 comfortable day. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Green Bay (USW00014898), 4.7 mi WSW of the city center, 682 ft (89 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Austin Straubel International Airport (726450-14898), 6.4 mi WSW of the city center, 684 ft (91 ft higher than the city). Hourly observations, 1991-2020.