Mercer (PA) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Mercer

Mercer average temperature chart (Celsius) Mercer average temperature chart (Fahrenheit)
Average monthly temperatures in Mercer (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.1 1.6 7.6 14.4 20.8 25.5 27.7 26.7 23 16.6 9.5 2.6
°F 31.8 34.9 45.7 57.9 69.4 77.8 81.8 80 73.5 61.9 49 36.7

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Mercer monthly rainfall chart (mm) Mercer monthly rainfall chart (inches)
Average monthly rainfall in Mercer (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 58 55 80 85 93 109 105 90 94 72 87 74
inches 2.3 2.2 3.1 3.3 3.7 4.3 4.1 3.5 3.7 2.8 3.4 2.9
Rainy days 17 14 15 14 13 12 10 10 11 12 15 18

Average annual rainfall in Mercer: 962.4mm (378.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Mercer

Mercer average daily sunshine chart
Average daily sunshine Mercer
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.1 4.2 5.6 7.1 8.2 9.3 9.3 8.1 6.9 5.6 3.2 2.2

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Mercer average minimum / maximum temperatures (Celsius) Mercer average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Mercer (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -9.7 -9.3 -4.1 1.3 7.1 12 14.4 13.6 10.1 3.9 -0.3 -5.8
Max °C 0.1 1.9 7.9 14.7 21.1 25.8 28 27 23.4 17 9.7 2.8
Min °F 14.5 15.3 24.6 34.3 44.8 53.6 57.9 56.5 50.1 38.9 31.5 21.6
Max °F 23.4 25.3 35.4 46.4 57.4 66 70.2 68.5 62.1 50.7 40.5 29.3

Sea temperature

The graph below shows the average sea temperature.

Mercer average sea temperature chart (Celsius) Mercer average sea temperature chart (Fahrenheit)
Average sea temperature around Mercer in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.5 1.5 1.6 4 9.5 16.9 22.1 23 20.6 15.4 9.8 5
°F 36.4 34.6 34.8 39.2 49.1 62.4 71.8 73.3 69.2 59.6 49.6 41.1

Wind speed

The graph below shows the average wind speed.

Mercer average winspeed by month (km/h) Mercer average winspeed by month (mph)
Average wind speed in Mercer (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 19 18 16 15 13 13 14 16 18 19
mph 12 12 12 11 10 9 8 8 9 10 11 12

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Mercer relative humidity averages
Average relative humidity in Mercer
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 72% 69% 65% 67% 70% 71% 74% 75% 71% 73% 76%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Mercer weather stats

Mercer weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: February 55mm 2.2ins
Sunniest month: July 9.3hrs
Coldest month: January -0.1°C 31.8°F
Wettest month: June 109mm 4.3ins
Warmest sea: August 23°C 73.4°F
Map showing location of Mercer (41.227, -80.23979) Mercer map pin © Google

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