McKeesport has chilly winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 22°, and about 25 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normalsUpdated once a decade
☀️
July high
84°
1248th hottest of 3,547 Pennsylvania towns
❄️
January low
22°
519th mildest of 3,547 Pennsylvania towns
💧
Rain + melted snow
41 in
506th driest of 3,547 Pennsylvania towns
🌨️
Snow a winter
25 in
785th least snowy of 3,541 Pennsylvania towns
A normal year
What a year in McKeesport feels like
❄️
Winter
41° / 24°
Typical high / low · 10 days with an inch or more of snow
🌷
Spring
63° / 40°
Typical high / low · Last frost around May 2
☀️
Summer
83° / 61°
Typical high / low · 14 days reach 90° in a normal year
🍂
Fall
65° / 44°
Typical high / low · First frost around Oct 20
10°
20°
40°
50°
60°
70°
80°
90°
100°
32°
38°
22°
41°
23°
51°
31°
64°
40°
73°
49°
81°
58°
84°
62°
83°
61°
77°
54°
65°
43°
53°
34°
42°
27°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
32°, freezingBar runs from the typical overnight low up to the afternoon high
Best months to be outsideMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Month by month
McKeesport weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
Month
High
Low
Rain + melt
Snow
Wet days
Snow on ground
30-yr range
January
38°
22°
3.0"
10.2"
15
14
22° – 40°
February
41°
23°
2.5"
5.6"
14
9
20° – 41°
March
51°
31°
3.3"
3.0"
12
3
35° – 52°
April
64°
40°
3.5"
0.2"
13
0
46° – 57°
May
73°
49°
3.9"
0
15
0
54° – 68°
June
81°
58°
4.6"
0
14
0
65° – 72°
July
84°
62°
4.3"
0
13
0
69° – 78°
August
83°
61°
3.8"
0
12
0
68° – 77°
September
77°
54°
3.5"
0
10
0
62° – 70°
October
65°
43°
3.0"
0
13
0
50° – 60°
November
53°
34°
3.0"
0.7"
11
1
37° – 49°
December
42°
27°
3.2"
5.3"
14
7
25° – 45°
Year
63°
42°
41.4"
25.0"
155
34
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain & snow
Rain and snow in McKeesport
McKeesport gets 41 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 155 days a year. Snow covers the ground about 34 days of the year.
💧
41 in
Rain + melted snow a year
More rain than 56% of U.S. towns
❄️
25 in
Snow in a normal winter
More snow than 50% of U.S. towns
⛄
34 days
With 1"+ of snow on the ground
More than 55% of U.S. towns
Rain + melted snow by month
Inches of water
4.6"
JFMAMJJASOND
Snowfall by month
Inches of snow
10"
JFMAMJJASOND
Frost & the growing season
About 170 frost-free days a year
In half of years the last 32° night comes by May 2 and the first one by October 20. That leaves about 170 frost-free days for gardens, shorter than 61% of U.S. towns.
🌱 May 2
🍂 Oct 20
170 frost-free days
JFMAMJJASOND
🥶
124
nights at or below 32° in a normal year
🧊
2
nights below 0° in a normal year
🔥
14
days that reach 90° in a normal year
Freezing nights by month
Average nights at or below 32°
JFMAMJJASOND
90° days by month
Average days at 90° or more
JFMAMJJASOND
Heating & cooling
Heating and cooling a home in McKeesport
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In McKeesport, 88% of that work is heating and 12% is cooling, so the furnace matters far more than the air conditioner.
🔥
5,580 heating degree daysLess heating than 54% of U.S. towns
❄️
767 cooling degree daysLess cooling than 56% of U.S. towns
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Around McKeesport
McKeesport and its neighbors
McKeesport borders 10 towns with climate data. January nights across them vary by 0.5°. North Versailles has the coldest January nights (22°) and Versailles the hottest July afternoons (85°). McKeesport’s January low is 22° and its July high 84°.
Compared with every U.S. town and city on TownTapestry, each counted once.
Then and now
Warmer than it used to be
+1.0°1991–2020 average vs. the 20th century (1901–2000)
The last 30 years in McKeesport averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.2°). The shift is smaller than in 70% of U.S. towns.
❄️ Winter+1.6°now 32°, was 31°
🌷 Spring+1.1°now 51°, was 50°
☀️ Summer+0.5°now 72°, was 71°
🍂 Fall+0.8°now 54°, was 54°
Change by month1991–2020 average minus 1901–2000 average, at McKeesport’s spot on NOAA’s grid
+0.3°
+2.2°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Year to year
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 20° to 41°. June is the most reliable, staying within 6°.
10°
20°
30°
40°
50°
60°
70°
80°
90°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Coldest to warmest month in 30 yearsNormal
Questions
Common questions about McKeesport’s climate
What is the coldest month in McKeesport?
January, with a typical high of 38° and a low of 22°.
What is the hottest month in McKeesport?
July, with a typical high of 84° and a low of 62°. About 14 days a year reach 90°.
How much snow does McKeesport get?
About 25 inches in a normal winter, most of it in January.
When is the first frost in McKeesport?
In half of years the first 32° night comes by October 20, and the last spring frost by May 2.
What is the rainiest month in McKeesport?
June, with 4.6 inches of rain and melted snow. The year totals 41 inches.
📍Temperatures and rainfall come from NOAA’s gridded climate normals for McKeesport itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Murrysville 2 Sw, PA (8 mi, snow) and Mckeesport, PA (1 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.