PittsburghUnited States · North America · December

December climate

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December in Pittsburgh

United States · North America

Cold weather is the main limitation.

Limited, but doable

Daytime high

43°F

Lows around 30°F

Precipitation

12 days/mo

Sun

2.5 h/day

Air feel

Very dry

When to visit

Month-by-month fit

Best

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Temperature

Cold by day, freezing at night.

43°Ftypical December high

Typical range

Precipitation

Some precipitation is expected this month.

39%wet-day frequency

Precip amountWet-day chanceSnowfall

Sunshine

Sunshine is limited, with cloud often dominating.

2.4 hDecember sunshine

Heat & humidity by month

Humidity is rarely noticeable in the cool air.

Very dryDecember Heat feel

Easy airWarm airHot airHumid airVery humid air

Hourly temperature pattern

In December, afternoons feel about 31° and nights feel near 25°.

FreezingVery coldColdCoolComfortableWarmNight hours

Clear sky

Mostly cloudy skies this month.

23%December Clear sky

Clear skyCloud

Wind pattern

Calm winds are typical in December.

7 mphDecember Light breeze

More detailIncludes daypart comfort

Typical December day

December late afternoons are around 39°F, easing to about 37°F in early evening.

Avg temp Typical range

Morning35°F

Rain20%

Cloud78%

Humid airLow

Sun intensityMinimal

Midday39°F

Rain20%

Cloud79%

Humid airLow

Sun intensityLow

Late afternoon39°F

Rain18%

Cloud77%

Humid airLow

Sun intensityMinimal

Best window

Early evening37°F

Rain17%

Cloud74%

Humid airLow

Sun intensityMinimal

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	38	25	3.7	12	3.0	72
Feb	42	27	3.3	11	3.8	68
Mar	52	35	4.0	13	5.0	64
Apr	64	44	4.6	14	6.1	63
May	73	54	5.2	16	7.0	71
Jun	80	62	5.1	14	8.1	73
Jul	84	66	4.5	14	8.2	74
Aug	82	65	3.7	13	7.4	75
Sep	77	58	4.1	11	6.6	75
Oct	65	47	3.7	11	5.4	74
Nov	53	38	3.2	10	3.3	70
Dec	43	30	3.5	12	2.4	73

Similar climates

Want a side-by-side climate view? Compare Pittsburgh with New York City.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Jan

3.7

3.0

Feb

3.3

3.8

Mar

4.0

5.0

Apr

4.6

6.1

May

5.2

7.0

Jun

5.1

8.1

Jul

4.5

8.2

Aug

3.7

7.4

Sep

4.1

6.6

Oct

3.7

5.4

Nov

3.2

3.3

Dec

3.5

2.4

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	38	25	3.7	12	3.0	72
Feb	42	27	3.3	11	3.8	68
Mar	52	35	4.0	13	5.0	64
Apr	64	44	4.6	14	6.1	63
May	73	54	5.2	16	7.0	71
Jun	80	62	5.1	14	8.1	73
Jul	84	66	4.5	14	8.2	74
Aug	82	65	3.7	13	7.4	75
Sep	77	58	4.1	11	6.6	75
Oct	65	47	3.7	11	5.4	74
Nov	53	38	3.2	10	3.3	70
Dec	43	30	3.5	12	2.4	73

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	38	25	3.7	12	3.0	72
Feb	42	27	3.3	11	3.8	68
Mar	52	35	4.0	13	5.0	64
Apr	64	44	4.6	14	6.1	63
May	73	54	5.2	16	7.0	71
Jun	80	62	5.1	14	8.1	73
Jul	84	66	4.5	14	8.2	74
Aug	82	65	3.7	13	7.4	75
Sep	77	58	4.1	11	6.6	75
Oct	65	47	3.7	11	5.4	74
Nov	53	38	3.2	10	3.3	70
Dec	43	30	3.5	12	2.4	73

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	38	25	3.7	12	3.0	72
Feb	42	27	3.3	11	3.8	68
Mar	52	35	4.0	13	5.0	64
Apr	64	44	4.6	14	6.1	63
May	73	54	5.2	16	7.0	71
Jun	80	62	5.1	14	8.1	73
Jul	84	66	4.5	14	8.2	74
Aug	82	65	3.7	13	7.4	75
Sep	77	58	4.1	11	6.6	75
Oct	65	47	3.7	11	5.4	74
Nov	53	38	3.2	10	3.3	70
Dec	43	30	3.5	12	2.4	73

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	38	25	3.7	12	3.0	72
Feb	42	27	3.3	11	3.8	68
Mar	52	35	4.0	13	5.0	64
Apr	64	44	4.6	14	6.1	63
May	73	54	5.2	16	7.0	71
Jun	80	62	5.1	14	8.1	73
Jul	84	66	4.5	14	8.2	74
Aug	82	65	3.7	13	7.4	75
Sep	77	58	4.1	11	6.6	75
Oct	65	47	3.7	11	5.4	74
Nov	53	38	3.2	10	3.3	70
Dec	43	30	3.5	12	2.4	73

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	38	25	3.7	12	3.0	72
Feb	42	27	3.3	11	3.8	68
Mar	52	35	4.0	13	5.0	64
Apr	64	44	4.6	14	6.1	63
May	73	54	5.2	16	7.0	71
Jun	80	62	5.1	14	8.1	73
Jul	84	66	4.5	14	8.2	74
Aug	82	65	3.7	13	7.4	75
Sep	77	58	4.1	11	6.6	75
Oct	65	47	3.7	11	5.4	74
Nov	53	38	3.2	10	3.3	70
Dec	43	30	3.5	12	2.4	73

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	38	25	3.7	12	3.0	72
Feb	42	27	3.3	11	3.8	68
Mar	52	35	4.0	13	5.0	64
Apr	64	44	4.6	14	6.1	63
May	73	54	5.2	16	7.0	71
Jun	80	62	5.1	14	8.1	73
Jul	84	66	4.5	14	8.2	74
Aug	82	65	3.7	13	7.4	75
Sep	77	58	4.1	11	6.6	75
Oct	65	47	3.7	11	5.4	74
Nov	53	38	3.2	10	3.3	70
Dec	43	30	3.5	12	2.4	73