Lake Harmony (PA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Lake Harmony.

Climate overview of Lake Harmony

Temperatures in Lake Harmony, Pennsylvania, United States of America, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while January is the coldest at 0°C (32°F).

With around 1338 mm (53 in) of annual rain/snowfall, Lake Harmony has a notably wet climate. The wettest month is October.

Lake Harmony Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lake Harmony — and find the best time to visit.

Monthly Temperature in Lake Harmony

The climate in Lake Harmony is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold 0°C (32°F).

At night, temperatures range from around 15°C (59°F) in July to -9°C (16°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Lake Harmony

Lake Harmony has a notably wet climate with abundant precipitation, recording 1338 mm (53 in) of rain/snowfall per year. Lake Harmony experiences moderate seasonal variation in rainfall, with monthly averages ranging from 151 mm (5.9 in) in October, the wettest month, and 81 mm (3.2 in) in January, the driest month. For more details, please visit our Lake Harmony Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Lake Harmony

Humidity in Lake Harmony by Month

Best Time to Visit Lake Harmony

Lake Harmony's weather is most enjoyable during May, June, July, August and September, with comfortable temperatures from 20°C (68°F) to 26°C (80°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 98 mm (3.9 in) and 150 mm (5.9 in), providing a good balance of sunny and rainy days.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Lake Harmony

What is the best time to visit Lake Harmony?

May typically offers the most optimal weather in Lake Harmony. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Lake Harmony?

Daytime highs range from 0°C (32°F) in January to 26°C (79°F) in July. Nighttime lows range from -9°C (16°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Lake Harmony get?

Annual rainfall is around 1338 mm (53 in). October is the wettest month with 151 mm (5.9 in), while January is the driest with 81 mm (3.2 in).

Lake Harmony 3-Day Forecast

Lake Harmony (PA) 3-Day Forecast

Lake Harmony on the map

Lake Harmony is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

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