The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Horsham, PA vs Rockwall, TX

2025 Compare Climate & Weather:
Horsham, PA vs Rockwall, TX

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Highlights

On average, there are 236 sunny days per year in Rockwall. Horsham averages 202 sunny days per year. The US average is 205 sunny days.

Rockwall, Texas gets 40.3 inches of rain, on average, per year. Horsham, Pennsylvania gets 47.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Rockwall averages 0.6 inches of snow per year. Horsham averages 17.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Rockwall, Texas
Summer High: the July high is around 94.3 degrees
Winter Low: the January low is 33.9
Rain: averages 40.3 inches of rain a year
Snow: averages 0.6 inches of snow a year

Horsham, Pennsylvania
Summer High: the July high is around 85.2 degrees
Winter Low: the January low is 24.1
Rain: averages 47.8 inches of rain a year
Snow: averages 17.5 inches of snow a year

BestPlaces Comfort Index
Rockwall

The annual BestPlaces Comfort Index for Rockwall is 7.1 (10=best), which means it is about average compared to other places in Texas.

7.1 / 10
October, April and May are the most pleasant months in Rockwall, while July and August are the least comfortable months.

Horsham

The annual BestPlaces Comfort Index for Horsham is 7.3 (10=best), which means it is one of the most pleasant places in Pennsylvania.

7.3 / 10
September, June and May are the most pleasant months in Horsham, while January and February are the least comfortable months.

Average Monthly High / Low (°F)
MonthHorsham, PARockwall, TX
January39° / 24°56° / 34°
February42° / 26°60° / 38°
March51° / 33°67° / 45°
April62° / 43°75° / 54°
May72° / 52°83° / 63°
June81° / 61°90° / 70°
July85° / 66°94° / 74°
August83° / 65°96° / 73°
September76° / 57°88° / 66°
October65° / 45°78° / 55°
November54° / 37°67° / 45°
December43° / 29°57° / 36°
Hot, Freezing, Rainy, Snowy Days: Horsham / Rockwall
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 024 / 139 / 73 / 0
February0 / 022 / 78 / 72 / 0
March0 / 014 / 29 / 81 / 0
April0 / 02 / 011 / 70 / 0
May1 / 30 / 011 / 90 / 0
June3 / 160 / 09 / 70 / 0
July7 / 260 / 09 / 50 / 0
August4 / 260 / 08 / 50 / 0
September1 / 120 / 08 / 60 / 0
October0 / 11 / 08 / 70 / 0
November0 / 09 / 38 / 70 / 0
December0 / 021 / 129 / 71 / 0
July is the hottest month for Horsham with an average high temperature of 85.2°, which ranks it as warmer than most places in Pennsylvania. In Horsham, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Horsham are September, June and August.

August is the hottest month for Rockwall with an average high temperature of 95.5°, which ranks it as about average compared to other places in Texas. In Rockwall, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rockwall are October, April and May.
January has the coldest nighttime temperatures for Horsham with an average of 24.1°. This is one of the warmest places in Pennsylvania.

January has the coldest nighttime temperatures for Rockwall with an average of 33.9°. This is colder than most places in Texas.

In Horsham, there are 14.9 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Rockwall, there are 84.4 days annually when the high temperature is over 90°, which is cooler than most places in Texas.

In Horsham, there are 92.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Pennsylvania.

In Rockwall, there are 37.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In Horsham, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

In Rockwall, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

July is the wettest month in Horsham with 4.9 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.8 inches in Horsham means that it is one of the wettest places in Pennsylvania.


May is the wettest month in Rockwall with 5.0 inches of rain, and the driest month is August with 1.9 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Autumn, which is the driest season. The annual rainfall of 40.3 inches in Rockwall means that it is wetter than most places in Texas.

April is the rainiest month in Horsham with 10.6 days of rain, and October is the driest month with only 7.5 rainy days. There are 105.5 rainy days annually in Horsham, which is one of the least rainy places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

May is the rainiest month in Rockwall with 8.7 days of rain, and July is the driest month with only 4.6 rainy days. There are 81.2 rainy days annually in Rockwall, which is rainier than most places in Texas. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 20% chance of a rainy day.

An annual snowfall of 17.5 inches in Horsham means that it is one of the least snowy places in Pennsylvania.

An annual snowfall of 0.6 inches in Rockwall means that it is snowier than most places in Texas.
February is the snowiest month in Horsham with 6.3 inches of snow, and 5 months of the year have significant snowfall.

December is the snowiest month in Rockwall with 0.1 inches of snow, and no months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Horsham    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Horsham

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Reviews for Rockwall    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Rockwall

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Zips In Horsham, Pennsylvania
No Zip Codes Here.
Zips In ROCKWALL, TEXAS
75087, 75032
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