Climate averages 1991–2020
Green Bay weather
in March.
A cold, moderately wet month: the 9th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cold month in Green Bay: daytime highs average 4.2°C and nights cool to about -5.1°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 56 mm of rain on roughly 8 days, which makes March a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 53 min on an average March day.
The nearest other city in this atlas is Appleton (42 km away). In March its highs average 4.2°C, about as warm as Green Bay, with 59 mm of rain.
Among the 498 cities listed in the United States, Green Bay ranks joint 488th of 498 for the warmest March highs and joint 124th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Green Bay is 10.8°C cooler than that mean.
From March to April, average highs rise by 7.2°C to 11.3°C, and monthly rainfall rises from 56 mm to 80 mm.
The annual picture
March in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Green Bay climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -4.1°C-11.9°C | -11.9°C | 37 | 7.6 | 9.29 h |
| February | -2.3°C-10.8°C | -10.8°C | 33 | 6.5 | 10.410 h |
| March, selected | 4.2°C-5.1°C | -5.1°C | 56 | 8.3 | 11.912 h |
| April | 11.3°C1.6°C | 1.6°C | 80 | 11.4 | 13.413 h |
| May | 18.5°C8.7°C | 8.7°C | 86 | 11.4 | 14.815 h |
| June | 24.1°C14.9°C | 14.9°C | 91 | 11.2 | 15.515 h |
| July | 26.7°C17.8°C | 17.8°C | 88 | 11.2 | 15.215 h |
| August | 25.6°C17.3°C | 17.3°C | 87 | 10.4 | 14.014 h |
| September | 21.5°C13.3°C | 13.3°C | 67 | 9.1 | 12.613 h |
| October | 14.0°C6.6°C | 6.6°C | 71 | 9.5 | 11.011 h |
| November | 6.1°C-0.4°C | -0.4°C | 54 | 8.2 | 9.610 h |
| December | -0.6°C-7.2°C | -7.2°C | 45 | 7.3 | 8.99 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Appleton in MarchUnited States · 42 kmHigh 4.2°C · Low -5.2°C · 59 mm rain
- Milwaukee in MarchUnited States · 165 kmHigh 2.7°C · Low -3.0°C · 61 mm rain
- Waukesha in MarchUnited States · 168 kmHigh 5.8°C · Low -3.1°C · 59 mm rain
- Madison in MarchUnited States · 195 kmHigh 6.3°C · Low -3.6°C · 61 mm rain
- Racine in MarchUnited States · 200 kmHigh 2.6°C · Low -2.4°C · 66 mm rain
- Kenosha in MarchUnited States · 216 kmHigh 2.7°C · Low -2.3°C · 70 mm rain
- Waukegan in MarchUnited States · 240 kmHigh 3.0°C · Low -2.0°C · 75 mm rain
- Grand Rapids in MarchUnited States · 256 kmHigh 6.1°C · Low -3.3°C · 63 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Green Bay) is explained once on the Green Bay year overview and on the Sources, method and limits page.