Bloserville (1 mi N), Pennsylvania climate: Climate normals at a NOAA weather station
Bloserville (1 mi N)'s normal year runs from 22°F January nights to 84°F July afternoons, with 43.7 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 11.0°C, January lows of −6°C, July highs of 29°C, 1,110 mm of precipitation a year.
- NOAA stationBloserville (1 mi N)
- Station IDUSC00360763
- Location40.26°N 77.36°W
- Elevation700 ft (213 m)
On October 23, the normal high in Bloserville (1 mi N) is 61°F and the normal low 41°F, and the chance of measurable rain or snow is 23%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Bloserville (1 mi N).
- Jan 37° 22°
- Feb 40° 23°
- Mar 48° 30°
- Apr 61° 40°
- May 71° 50°
- Jun 79° 58°
- Jul 84° 63°
- Aug 82° 62°
- Sep 75° 55°
- Oct 64° 44°
- Nov 52° 35°
- Dec 41° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Bloserville (1 mi N) each month?
July is the warmest month, with normal highs of 84°F; January the coldest, with normal lows of 22°F. The most precipitation falls in September (4.50 in), the least in February (2.40 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 37°F | 22°F | 29.2°F | 3.00 | 8 | <1 | 26 | 9 h 40 min |
| February | 40°F | 23°F | 31.6°F | 2.40 | 6 | <1 | 24 | 10 h 40 min |
| March | 48°F | 30°F | 39.4°F | 3.63 | 8 | <1 | 19 | 11 h 50 min |
| April | 61°F | 40°F | 50.5°F | 3.72 | 9 | <1 | 4 | 13 h 10 min |
| May | 71°F | 50°F | 60.4°F | 4.18 | 10 | <1 | <1 | 14 h 20 min |
| June | 79°F | 58°F | 68.5°F | 4.26 | 9 | 2 | <1 | 15 h |
| July | 84°F | 63°F | 73.5°F | 4.20 | 9 | 5 | <1 | 14 h 50 min |
| August | 82°F | 62°F | 72.0°F | 3.55 | 7 | 3 | <1 | 13 h 50 min |
| September | 75°F | 55°F | 65.3°F | 4.50 | 8 | <1 | <1 | 12 h 30 min |
| October | 64°F | 44°F | 53.6°F | 3.73 | 7 | <1 | 2 | 11 h 10 min |
| November | 52°F | 35°F | 43.5°F | 3.07 | 7 | <1 | 12 | 10 h |
| December | 41°F | 27°F | 34.2°F | 3.48 | 7 | <1 | 24 | 9 h 20 min |
| Year (annual) | 61°F | 43°F | 51.8°F | 43.72 | 96 | 11 | 110 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 3°C | −6°C | −1.6°C | 76 mm |
| February | 4°C | −5°C | −0.2°C | 61 mm |
| March | 9°C | −1°C | 4.1°C | 92 mm |
| April | 16°C | 5°C | 10.3°C | 94 mm |
| May | 22°C | 10°C | 15.8°C | 106 mm |
| June | 26°C | 15°C | 20.3°C | 108 mm |
| July | 29°C | 17°C | 23.1°C | 107 mm |
| August | 28°C | 17°C | 22.2°C | 90 mm |
| September | 24°C | 13°C | 18.5°C | 114 mm |
| October | 18°C | 7°C | 12.0°C | 95 mm |
| November | 11°C | 2°C | 6.4°C | 78 mm |
| December | 5°C | −3°C | 1.2°C | 88 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Carlisle (10 miles away), gets 28 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00360763; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Bloserville (1 mi N)?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, August has the fewest days with rain (7).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00360763.
When is the last frost at Bloserville (1 mi N)?
In Bloserville (1 mi N), the last spring frost (32°F) comes after April 18 in half of years and after May 8 in one year in ten; the first autumn frost comes before October 26 in half of years and before October 11 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- April 181 year in 10 after May 8; 9 in 10 after April 3
- First autumn frost, half of years before
- October 261 year in 10 before October 11; 9 in 10 before November 11
NOAA puts the median frost-free season at 191 days, and the season without a hard freeze (28°F) at 218 days.
A hard freeze (28°F) comes after April 3 in half of springs and before November 9 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Bloserville (1 mi N) in zone 7a in ZIP code 17040, the nearest ZIP area.
Frost dates for every NOAA station in Pennsylvania · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00360763; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Bloserville (1 mi N)?
In a normal year in Bloserville (1 mi N), 11 days a year reach 90°F, 110 nights fall to 32°F or colder and 96 days bring measurable precipitation.
- Days at 90°F or more
- 11a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 110a normal year
- Days that stay below freezing
- 26high of 32°F or less
- Days with 0.01 inch of precipitation
- 96a normal year
The highest temperature in this station's record (since 1914) is 102°F, on July 4, 1966; the lowest is −19°F, on January 20, 1994.
The wettest calendar year on that record is 1915, with 61.96 in; the snowiest season is 1960–61, with 78.3 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00360763; records: ACIS (NOAA Regional Climate Centers), station USC00360763. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Bloserville (1 mi N)?
Over a year 70% of the sunlight that would reach the ground under clear skies gets through the clouds at Bloserville (1 mi N), 3.8 kWh per square metre a day. July is the sunniest month (77%) and December the cloudiest (58%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 60% | 1.8 |
| February | 65% | 2.6 |
| March | 64% | 3.6 |
| April | 67% | 4.7 |
| May | 68% | 5.3 |
| June | 74% | 5.9 |
| July | 77% | 5.9 |
| August | 76% | 5.2 |
| September | 73% | 4.2 |
| October | 67% | 2.9 |
| November | 67% | 2.1 |
| December | 58% | 1.4 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Bloserville (1 mi N) record?
A normal year at Bloserville (1 mi N) brings 5,543 heating degree days, 3% more than the median U.S. place (5,373), and 773 cooling degree days, 15% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,092 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,110 | 0 |
| February | 934 | 0 |
| March | 794 | 0 |
| April | 440 | 7 |
| May | 186 | 42 |
| June | 39 | 145 |
| July | 2 | 264 |
| August | 5 | 222 |
| September | 78 | 86 |
| October | 359 | 7 |
| November | 644 | 0 |
| December | 953 | 0 |
| Year (annual) | 5,543 | 773 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00360763. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Bloserville (1 mi N)'s climate compare?
Bloserville (1 mi N) is warmer than 70 of the 108 places with their own NOAA record in Pennsylvania, and wetter than 49. Across the 7,247 U.S. stations with normals, its annual mean of 51.8°F is warmer than 49%.
In the Köppen classification computed from these normals, Bloserville (1 mi N) is Dfa: continental, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Bloserville (1 mi N) share this climate record?
6 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Newville, PA1,412 people · 7 mi S
- Loysville, PA575 people · 8 mi N
- Ickesburg, PA347 people · 13 mi N
- Blain, PA225 people · 9 mi NW
- Landisburg, PA225 people · 6 mi NE
- East Waterford, PA127 people · 15 mi NW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Bloserville (1 mi N)'s climate
What is the coldest month at Bloserville (1 mi N)?
January, with a normal high of 37°F and a normal low of 22°F. The warmest is July (84°F by day, 63°F at night).
Does it snow at Bloserville (1 mi N)?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Carlisle (10 miles away), records 28 inches of snow in a normal year.
What is the rainiest month at Bloserville (1 mi N)?
September, with 4.50 in of precipitation in a normal year; the driest is February with 2.40 in.
What plant hardiness zone is Bloserville (1 mi N) in?
The USDA's 2023 map puts Bloserville (1 mi N) in zone 7a in ZIP code 17040, the nearest ZIP area.
How late can frost come at Bloserville (1 mi N)?
In half of years the last 32°F night comes after April 18; in one year in ten it comes after May 8. Waiting until May 8 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Pennsylvania climateThe statewide normals and every place in the state
- Carlisle, PA9 miles from this station, 51.9°F a year
- Shippensburg, PA16 miles from this station, 53.2°F a year
- Biglerville, PA24 miles from this station, 52.8°F a year
- Lewistown, PA25 miles from this station, 51.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made