November was 2.5 deg F above normal for temperature. The high for the month was 77.0 deg. F, recorded on November 6. The low for the month was 11.1 deg F, recorded on November 21. There were 12 days at or below 32 F and 1 day when the maximum temperature was at or below 32 F. There were 647 heating degree days and 9 cooling degree days.

November was an above-normal month for precipitation with 4.99 inches of rainfall recorded, which was 2.00 inches above normal. The maximum rainfall in a single day was 2.97 inches recorded on November 11. There were 7 days of rain >.01 in, 6 >.10 in and 1 > 1 in.

September was 0.2 deg F below normal for temperature. The high for the month was 83.0 deg. F recorded on September 4. The low for the month was 37.3 deg F, recorded on September 30. There were 0 days at or above 90 deg F and 0 days at or below 32 deg F. There were 142 heating degree days and 83 cooling degree days.

September had 3.74 inches of rainfall recorded, which was 0.21 inches below normal. The maximum rainfall in a single day was 0.77 inches recorded on September 5. There were 12 days of rain >.01 in, 8 >.10 in and 0 > 1 in. There was enough rainfall to end the moderate drought conditions in Pennsylvania except for a small area in the southeast part of the commonwealth.

August was 0.6 deg F above normal for temperature. The high for the month was 89.7 deg. F recorded on August 8. The low for the month was 44.9 deg F, recorded on August 13. There were 0 days at or above 90 deg F. There were 36 heating degree days and 222 cooling degree days.

August was a below-normal month for precipitation with 3.20 inches of rainfall recorded, which was 0.96 inches below normal. The maximum rainfall in a single day was 0.82 inches recorded on August 21. There were 13 days of rain >.01 in, 8 >.10 in, and 0 >1 in.

July was 0.8 deg F above normal for temperature. The high for the month was 91.2 deg. F recorded on July 23. The low for the month was 50.0 deg F, recorded on July 4. There were 3 days day at or above 90 deg F. There were 27 heating degree days and 275 cooling degree days.

July was a below-normal month for precipitation with 2.02 inches of rainfall recorded, which was 1.77 inches below normal. The maximum rainfall in a single day was 0.46 inches recorded on July 7. There were 8 days of rain >.01 in, 6 >.10 in, and 0 >1 in.

January was 3.8 deg F below normal for temperature. The high for the month was 53.8 deg. F, recorded on January 1. The low for the month was -6.1 deg F, recorded on January 27. There were 18 days when the maximum was at or below 32 F, 30 days when the minimum temperature was at or below 32 F, and 2 days when the minimum temperature was at or below 0 F. There were 1261 heating degree days and 0 cooling degree days.

January was a below-normal month for precipitation with 1.29 inches of liquid precipitation recorded, which was 1.82 inches below normal. The maximum liquid precipitation in a single day was 0.37 inches recorded on January 1. There were 9 days of rain >.01 in, 4 >.10 in and 0 > 1 in.

There were 13.8 inches of snow for the month, with a maximum daily total of 5.1 inches on January 16.

December was 6.9 deg F above normal for temperature. The high for the month was 65.9 deg. F, recorded on December 16. The low for the month was 15.8 deg F, recorded on December 20. There were 17 days when the minimum temperature was at or below 32 F and 0 days when the maximum temperature was at or below 32 F. There were 816 heating degree days and 0 cooling degree days.

December was a below-normal month for precipitation with 2.69 inches of rainfall recorded, which was 0.44 inches below normal. The maximum rainfall in a single day was 1.05 inches recorded on December 28. There were 12 days of rain >.01 in, 7 >.10 in and 1 > 1 in.

Overall, the year’s temperatures were above normal. The annual mean of 52.0 F was 1.8 F above normal. The annual precipitation of 40.17 inches was 0.53 inches below normal.

2021 Weather Data

January

January was a bit warmer than normal with a monthly mean of 30.7 F, which was 2.6 F above normal, with a high of 48 F and a low for the month of 14 F. Precipitation was 2.06 inches below normal with 1.05 inches of liquid precipitation. There were 3 inches of snow this month.

February

February was the coldest month of 2021 with a mean of 34.7 F, which was 1.2 F below normal. The high was 58 F and the low was 3 F, which was also the low for the year. Precipitation was 0.66 inches below normal at 1.61 inches. There were 13 inches of snowfall this month.

March

March temperatures were also mild at 5.3 F above normal with a high of 70 F and a low of 14 F. Precipitation was 0.86 inches below normal with 2.69 inches of liquid precipitation. The high wind speed for the month and year was 47 mph.

April

Temperatures were 1.2 F above normal in April. The high was 83 F and the low was 22 F. Rainfall was 1.12 inches below normal at 2.27 inches. The last day of temperatures below freezing was April 22.

May

Temperatures were cooler at 1.3 F below normal with a high of 88 F and a low of 32 F. Precipitation was 3.67 inches, 0.44 inches above normal.

June

Temperatures for the month were 1.0 F above normal with a mean of 80.6 F. The high was 92 F and the low was 41 F. Precipitation was 2.56 inches above normal with 6.42 inches of rainfall.

July

The temperatures were 0.4 F below normal at a mean of 82.4. The high for the month was 92 F and the low was 50 F. Rainfall was 0.38 inches below normal with 3.08 inches of precipitation.

August

August was the warmest month this year. The month’s temperatures were 1.8 F above normal at a mean of 83.4. The high was 93 F and the low was 49 F. Precipitation was 0.88 inches above normal at 5.02 inches.

September

Temperatures were above normal this month with a mean of 75.0 F. The high was 86 F and the low was 42 F. There were 6.82 inches of rainfall, which was 2.84 inches above normal. This was the rainiest month of the year.

October

October was very mild with temperatures at 6.4 F above normal. The high was 79 F and the low was 36 F. Rainfall was near normal at 3.40 inches, which was 0.06 inches above normal.

November

Temperatures were cooler in November and were 2.6 F below normal. The high was 69 F and the low was 20 F. Precipitation was 1.45 inches, 1.79 inches below normal. The first freeze was on November 2. There was also less than 0.5 inches of snowfall.

December

December was very mild with a mean temperature of 46.5 F, 6.9 F above normal. The high was 66 F and the low was 16 F. Precipitation was 0.44 inches below normal at 2.69 inches. There was also 3 inches of snowfall.