Best time to visit Merrill, WI

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Merrill runs from May through September — 5 months of pleasant temperatures and modest rainfall.

January Cold
High
22.0°F
Low
3.4°F
Precip
1.19 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 56m

February Cold
High
26.6°F
Low
5.1°F
Precip
1.06 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 10h 10m

March Cold
High
38.7°F
Low
17.0°F
Precip
1.75 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 11h 41m

April Cool
High
52.9°F
Low
29.6°F
Precip
2.93 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 13h 17m

May Good
High
66.6°F
Low
42.6°F
Precip
3.72 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 40m

June Good
High
76.1°F
Low
53.2°F
Precip
4.63 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 15h 23m

July Good
High
80.2°F
Low
57.1°F
Precip
3.82 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 15h 7m

August Good
High
77.9°F
Low
54.7°F
Precip
4.05 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 13h 54m

September Good
High
69.7°F
Low
46.3°F
Precip
3.86 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 12h 18m

October Cool
High
55.4°F
Low
34.5°F
Precip
3.16 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 10h 42m

November Cold
High
39.7°F
Low
23.1°F
Precip
2.06 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 9h 16m

December Cold
High
27.4°F
Low
11.4°F
Precip
1.53 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 34m

Looking for similar climates? See Merrill's climate twins. Or jump straight to the full climate profile.