Best time to visit Union, KY

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

The most comfortable travel window in Union runs from April through October — 7 months of pleasant temperatures and modest rainfall.

January Cold
High
39.6°F
Low
23.1°F
Precip
3.30 in

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

Daylight ≈ 9h 33m

February Cold
High
43.7°F
Low
25.8°F
Precip
3.17 in

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

Daylight ≈ 10h 32m

March Cool
High
53.5°F
Low
33.8°F
Precip
4.16 in

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

Daylight ≈ 11h 44m

April Good
High
65.5°F
Low
43.7°F
Precip
4.53 in

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

Daylight ≈ 13h 2m

May Good
High
74.5°F
Low
53.7°F
Precip
4.67 in

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

Daylight ≈ 14h 8m

June Good
High
82.6°F
Low
62.1°F
Precip
4.75 in

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

Daylight ≈ 14h 41m

July Good
High
86.0°F
Low
65.9°F
Precip
3.83 in

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

Daylight ≈ 14h 29m

August Good
High
85.2°F
Low
64.6°F
Precip
3.43 in

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

Daylight ≈ 13h 31m

September Excellent
High
78.9°F
Low
57.3°F
Precip
3.11 in

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

Daylight ≈ 12h 14m

October Good
High
66.7°F
Low
45.7°F
Precip
3.35 in

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

Daylight ≈ 10h 57m

November Cool
High
53.8°F
Low
35.1°F
Precip
3.23 in

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

Daylight ≈ 9h 50m

December Cold
High
43.3°F
Low
27.9°F
Precip
3.73 in

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

Daylight ≈ 9h 17m

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