Best time to visit Sinclair, WY

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

The most comfortable travel window in Sinclair runs from June through September — 4 months of pleasant temperatures and modest rainfall.

January Cold
High
31.5°F
Low
13.2°F
Precip
0.42 in

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

Daylight ≈ 9h 17m

February Cold
High
33.9°F
Low
14.5°F
Precip
0.48 in

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

Daylight ≈ 10h 23m

March Cool
High
45.1°F
Low
22.0°F
Precip
0.66 in

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

Daylight ≈ 11h 43m

April Cool
High
53.5°F
Low
27.3°F
Precip
1.26 in

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

Daylight ≈ 13h 8m

May Cool
High
64.2°F
Low
35.5°F
Precip
1.46 in

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

Daylight ≈ 14h 22m

June Good
High
76.6°F
Low
43.2°F
Precip
0.87 in

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

Daylight ≈ 14h 59m

July Good
High
85.1°F
Low
50.8°F
Precip
0.72 in

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

Daylight ≈ 14h 45m

August Good
High
82.6°F
Low
49.1°F
Precip
0.73 in

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

Daylight ≈ 13h 41m

September Good
High
72.3°F
Low
40.7°F
Precip
0.89 in

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

Daylight ≈ 12h 16m

October Cool
High
56.8°F
Low
30.4°F
Precip
0.68 in

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

Daylight ≈ 10h 50m

November Cold
High
41.8°F
Low
20.8°F
Precip
0.47 in

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

Daylight ≈ 9h 35m

December Cold
High
31.3°F
Low
12.8°F
Precip
0.40 in

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

Daylight ≈ 8h 59m

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