Onalaska, United States — Weather in March 2027

Monthly climate averages for Onalaska, United States. Based on 10-year ERA5 reanalysis data.

Dfa Hot-Summer Continental
1.8 /10
Poor

March is a poor month in Onalaska

Climate Overview

Onalaska, United States in March has cold conditions, with highs averaging around 7.9°C (46°F).

This month falls at the beginning of Spring. Cold conditions dominate the month.

Daily highs in March gradually rise from around 5°C (41°F) at the start to 10°C (50°F) by month's end.

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 8.3h of sunshine at the start of March, decreasing to 7.5h by the end.

The warmest days tend to fall around the 28th, averaging 10.1°C (50°F).

Compared to February, this month is about 8°C warmer with 3 more rainy days. Temperatures will rise further into April.

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Monthly March Averages

Temperature
8°C / -2°C
Feels Like
4°C / -6°C
Rain
9 days · 72 mm
Sunshine
7.9h / day
Humidity
65% — Humid
Wind
19 km/h
Wind Direction
NW (312°)
Gusts
42 km/h
Daylight
12 h
Cloud Cover
65%
Clear Sky Days
2.9
UV Index
4.1 — Moderate
Dew Point
-3°C — Dry
Moon Phase
First Quarter · 46%
Snow Days
6 days · 13.8 cm
Frost Days
19 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

16°C 12°C 8°C 4°C 0°C -4°C -8°C -12°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 6 12 18 24 30 151015202531
Wind Speed
Sun Position
Sunrise 07:19
Daylight 11.9h
Sunset 19:12

What to Expect

Cold daytime highs of 8°C (46°F) mean shorter outdoor excursions with warming breaks.

Rain usually comes in shorter passing showers rather than all-day rain.

3 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
-2°C / -11°C
Feels Like
-7°C / -16°C
Rain
6days (34 mm) Good
Sun
5.3h Fair
Humidity
75% Muggy
UV
2 Low
Snow Days
10days
View Details
February
Poor
Temp
0°C / -10°C
Feels Like
-4°C / -15°C
Rain
6days (36 mm) Good
Sun
7.2h Good
Humidity
70% Muggy
UV
3.2 Moderate
Snow Days
9days
View Details
March
Poor
Temp
8°C / -2°C
Feels Like
4°C / -6°C
Rain
9days (72 mm) Wet
Sun
7.9h Good
Humidity
65% Muggy
UV
4.1 Moderate
Snow Days
6days
View Details
April
Fair
Temp
14°C / 3°C
Feels Like
11°C / -1°C
Rain
12days (88 mm) Wet
Sun
8.4h Good
Humidity
65% Muggy
UV
4.8 Moderate
Snow Days
4days
View Details
May best
Good
Temp
21°C / 11°C
Feels Like
20°C / 9°C
Rain
12days (116 mm) Wet
Sun
10.2h Excellent
Humidity
67% Muggy
UV
6.2 High
View Details
June best
Excellent
Temp
27°C / 17°C
Feels Like
28°C / 17°C
Rain
13days (130 mm) Wet
Sun
11.6h Excellent
Humidity
68% Muggy
UV
6.6 High
View Details
July best
Excellent
Temp
28°C / 19°C
Feels Like
31°C / 20°C
Rain
10days (107 mm) Wet
Sun
12.2h Excellent
Humidity
72% Muggy
UV
6.8 High
View Details
August best
Excellent
Temp
27°C / 18°C
Feels Like
29°C / 19°C
Rain
11days (113 mm) Wet
Sun
10.9h Excellent
Humidity
73% Muggy
UV
6.2 High
View Details
September best
Excellent
Temp
24°C / 15°C
Feels Like
24°C / 14°C
Rain
9days (97 mm) Wet
Sun
9.3h Good
Humidity
72% Muggy
UV
5.1 High
View Details
October
Fair
Temp
16°C / 8°C
Feels Like
13°C / 5°C
Rain
10days (88 mm) Wet
Sun
7h Good
Humidity
69% Muggy
UV
3.6 Moderate
Snow Days
1days
View Details
November
Poor
Temp
7°C / 0°C
Feels Like
3°C / -4°C
Rain
6days (54 mm) Good
Sun
5.8h Fair
Humidity
70% Muggy
UV
2.2 Moderate
Snow Days
5days
View Details
December
Poor
Temp
0°C / -7°C
Feels Like
-4°C / -12°C
Rain
8days (44 mm) Wet
Sun
4.9h Fair
Humidity
74% Muggy
UV
1.8 Low
Snow Days
10days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January -2°C / -11°C -7°C / -16°C 6days (34 mm) Good 5.3h Fair 75% Muggy 2 Low Poor View Details
February 0°C / -10°C -4°C / -15°C 6days (36 mm) Good 7.2h Good 70% Muggy 3.2 Moderate Poor View Details
March 8°C / -2°C 4°C / -6°C 9days (72 mm) Wet 7.9h Good 65% Muggy 4.1 Moderate Poor View Details
April 14°C / 3°C 11°C / -1°C 12days (88 mm) Wet 8.4h Good 65% Muggy 4.8 Moderate Fair View Details
May best 21°C / 11°C 20°C / 9°C 12days (116 mm) Wet 10.2h Excellent 67% Muggy 6.2 High Good View Details
June best 27°C / 17°C 28°C / 17°C 13days (130 mm) Wet 11.6h Excellent 68% Muggy 6.6 High Excellent View Details
July best 28°C / 19°C 31°C / 20°C 10days (107 mm) Wet 12.2h Excellent 72% Muggy 6.8 High Excellent View Details
August best 27°C / 18°C 29°C / 19°C 11days (113 mm) Wet 10.9h Excellent 73% Muggy 6.2 High Excellent View Details
September best 24°C / 15°C 24°C / 14°C 9days (97 mm) Wet 9.3h Good 72% Muggy 5.1 High Excellent View Details
October 16°C / 8°C 13°C / 5°C 10days (88 mm) Wet 7h Good 69% Muggy 3.6 Moderate Fair View Details
November 7°C / 0°C 3°C / -4°C 6days (54 mm) Good 5.8h Fair 70% Muggy 2.2 Moderate Poor View Details
December 0°C / -7°C -4°C / -12°C 8days (44 mm) Wet 4.9h Fair 74% Muggy 1.8 Low Poor View Details

What to Wear

Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm coatThermal base layersScarf & glovesUmbrellaComfortable walking shoes

Frequently Asked Questions

March is typically poor for visiting Onalaska, with average highs of 8°C (46°F) and around 9 rainy days. Onalaska, United States in March has cold conditions, with highs averaging around 7.9°C (46°F).
Onalaska typically sees around 9 rainy days in March with 72 mm (2.8 in) of total rainfall. An umbrella should suffice.
Yes, nights in Onalaska during March are cold, averaging -2°C (29°F). Pack warm layers and a coat for evenings.
With highs of 8°C (46°F) and lows of -2°C (29°F) in March, we recommend: Warm coat, Thermal base layers, Scarf & gloves, Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.
March is not the most favourable month weather-wise in Onalaska. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Onalaska during March is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Onalaska gets approximately 12 hours of daylight per day in March, with around 8 hours of sunshine.
Yes, Onalaska typically sees around 6 snow days in March with roughly 14 cm (5 in) of snowfall.

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