Best time to visit Merrill, MI

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 October — 6 months of pleasant temperatures and modest rainfall.

January Cold
High
29.5°F
Low
16.4°F
Precip
1.92 in

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

Daylight ≈ 9h 7m

February Cold
High
31.8°F
Low
17.3°F
Precip
1.77 in

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

Daylight ≈ 10h 17m

March Cold
High
42.3°F
Low
25.7°F
Precip
2.02 in

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

Daylight ≈ 11h 42m

April Cool
High
55.8°F
Low
36.1°F
Precip
3.19 in

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

Daylight ≈ 13h 12m

May Good
High
68.6°F
Low
47.7°F
Precip
3.41 in

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

Daylight ≈ 14h 30m

June Excellent
High
78.5°F
Low
57.7°F
Precip
3.28 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 15h 10m

July Good
High
82.2°F
Low
61.2°F
Precip
2.83 in

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

Daylight ≈ 14h 55m

August Excellent
High
80.0°F
Low
59.4°F
Precip
3.85 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 13h 47m

September Excellent
High
73.3°F
Low
51.6°F
Precip
2.81 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 12h 17m

October Good
High
60.2°F
Low
41.4°F
Precip
2.91 in

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

Daylight ≈ 10h 46m

November Cool
High
46.2°F
Low
31.8°F
Precip
2.28 in

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

Daylight ≈ 9h 27m

December Cold
High
34.7°F
Low
23.1°F
Precip
1.85 in

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

Daylight ≈ 8h 47m

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