Places › Tucson, AZ › December
Tucson in December
One of the best months — score 97 of 100
Typical December days in Tucson reach about 66°F with nights near 40°F.
Avg high
66°F
1991–2020 normal
Avg low
40°F
1991–2020 normal
Rain total
0.96 in
in a typical December
Rain days
4
days with at least 0.01 in
Daylight
10h 03m
at mid-December, computed
What to pack for Tucson in December
- A warm jacket for evenings and early starts.
- Layers — afternoons run about 25° warmer than mornings.
Every packing line is triggered by a number on this page — the rules are on How we pick.
December vs. the alternatives
The whole year in Tucson
JAN
66°F
★ Best
Rain 4 days
Daylight 10h 15mFEB
69°F
★ Best
Rain 4 days
Daylight 10h 59mMAR
76°F
★ Best
Rain 3 days
Daylight 11h 53mAPR
83°F
Rain 2 days
Daylight 12h 56mMAY
92°F
Rain 1 days
Daylight 13h 47mJUN
101°F
Rain 2 days
Daylight 14h 15mJUL
100°F
Rain 9 days
Daylight 14h 04mAUG
99°F
Rain 8 days
Daylight 13h 20mSEP
95°F
Rain 4 days
Daylight 12h 20mOCT
86°F
Rain 3 days
Daylight 11h 20mNOV
75°F
Rain 2 days
Daylight 10h 28mDEC
66°F
Rain 4 days
Daylight 10h 03m
66°F
★ Best
Rain 4 days
Daylight 10h 15mFEB
69°F
★ Best
Rain 4 days
Daylight 10h 59mMAR
76°F
★ Best
Rain 3 days
Daylight 11h 53mAPR
83°F
Rain 2 days
Daylight 12h 56mMAY
92°F
Rain 1 days
Daylight 13h 47mJUN
101°F
Rain 2 days
Daylight 14h 15mJUL
100°F
Rain 9 days
Daylight 14h 04mAUG
99°F
Rain 8 days
Daylight 13h 20mSEP
95°F
Rain 4 days
Daylight 12h 20mOCT
86°F
Rain 3 days
Daylight 11h 20mNOV
75°F
Rain 2 days
Daylight 10h 28mDEC
66°F
Rain 4 days
Daylight 10h 03m
Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.