Hamlin, PA climate
Hamlin has cold, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 78°, a January night drops to 15°, and about 93 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Hamlin feels like
Winter
Spring
Summer
Fall
Hamlin 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 | 30° | 15° | 3.7" | 25.4" | 20 | 26 | 14° – 32° |
| February | 33° | 15° | 2.8" | 20.4" | 16 | 24 | 10° – 33° |
| March | 43° | 22° | 3.5" | 13.4" | 15 | 17 | 25° – 44° |
| April | 56° | 32° | 4.2" | 2.9" | 15 | 2 | 39° – 50° |
| May | 67° | 42° | 4.4" | 0.1" | 14 | 0 | 47° – 61° |
| June | 75° | 51° | 4.7" | 0 | 14 | 0 | 58° – 65° |
| July | 78° | 55° | 4.7" | 0 | 12 | 0 | 62° – 71° |
| August | 77° | 53° | 4.2" | 0 | 12 | 0 | 61° – 70° |
| September | 70° | 47° | 4.1" | 0 | 12 | 0 | 56° – 64° |
| October | 59° | 37° | 4.1" | 0.8" | 15 | 1 | 43° – 54° |
| November | 46° | 29° | 3.9" | 8.2" | 15 | 7 | 31° – 43° |
| December | 35° | 21° | 3.8" | 21.7" | 19 | 20 | 18° – 39° |
| Year | 56° | 35° | 48.1" | 92.9" | 177 | 96 |
“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 and snow in Hamlin
Hamlin gets 48 inches of rain and melted snow a year. July is the wettest month and February the driest. Rain or snow falls on about 177 days a year. Snow covers the ground about 96 days of the year.
About 126 frost-free days a year
In half of years the last 32° night comes by May 24 and the first one by September 28. That leaves about 126 frost-free days for gardens, shorter than 96% of U.S. towns.
Heating and cooling a home in Hamlin
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Hamlin, 97% of that work is heating and 3% is cooling, so the furnace matters far more than the air conditioner.
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.
Hamlin and its neighbors
Hamlin borders 4 towns with climate data. January nights across them vary by 0.9°. Lafayette has the coldest January nights (14°) and Keating the hottest July afternoons (79°). Hamlin’s January low is 15° and its July high 78°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Hamlin compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Hamlin averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.7°). The shift is larger than in 59% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Hamlin’s spot on NOAA’s grid
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 10° to 33°. June is the most reliable, staying within 7°.
Common questions about Hamlin’s climate
What is the coldest month in Hamlin?
January, with a typical high of 30° and a low of 15°.
What is the hottest month in Hamlin?
July, with a typical high of 78° and a low of 55°. About 1 days a year reach 90°.
How much snow does Hamlin get?
About 93 inches in a normal winter, most of it in January.
When is the first frost in Hamlin?
In half of years the first 32° night comes by September 28, and the last spring frost by May 24.
What is the rainiest month in Hamlin?
July, with 4.7 inches of rain and melted snow. The year totals 48 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Hamlin itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Kane 1nne, PA (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.