Best time to visit Watertown, WI

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

The most comfortable travel window in Watertown runs from July through October — 4 months of pleasant temperatures and modest rainfall.

January Cold
High
26.4°F
Low
10.5°F
Precip
1.37 in

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

Daylight ≈ 9h 9m

February Cold
High
30.3°F
Low
13.3°F
Precip
1.35 in

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

Daylight ≈ 10h 18m

March Cold
High
42.2°F
Low
24.0°F
Precip
1.90 in

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

Daylight ≈ 11h 42m

April Cool
High
55.6°F
Low
35.1°F
Precip
3.67 in

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

Daylight ≈ 13h 12m

May Good
High
67.8°F
Low
46.9°F
Precip
4.19 in

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

Daylight ≈ 14h 29m

June Wet
High
77.7°F
Low
57.1°F
Precip
5.80 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 15h 9m

July Good
High
81.3°F
Low
61.1°F
Precip
4.50 in

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

Daylight ≈ 14h 54m

August Good
High
79.5°F
Low
59.0°F
Precip
4.11 in

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

Daylight ≈ 13h 47m

September Excellent
High
72.8°F
Low
50.8°F
Precip
3.47 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
59.6°F
Low
39.5°F
Precip
3.00 in

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

Daylight ≈ 10h 47m

November Cold
High
44.6°F
Low
27.9°F
Precip
2.14 in

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

Daylight ≈ 9h 28m

December Cold
High
32.0°F
Low
17.3°F
Precip
1.75 in

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

Daylight ≈ 8h 49m

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