Guastatoya monthly weather averages

Contents

Average daytime temperature

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

Guastatoya average temperature chart (Celsius) Guastatoya average temperature chart (Fahrenheit)
Average monthly temperatures in Guastatoya (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.4 28.6 30.3 31.8 31.3 30 29.6 29.7 29.1 28.3 27.8 27.2
°F 81.4 83.5 86.6 89.2 88.3 85.9 85.2 85.5 84.3 83 82.1 81

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.

Guastatoya monthly rainfall chart (mm) Guastatoya monthly rainfall chart (inches)
Average monthly rainfall in Guastatoya (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 27 24 23 49 135 256 219 187 254 157 51 29
inches 1.1 0.9 0.9 1.9 5.3 10.1 8.6 7.4 10 6.2 2 1.2
Rainy days 10 8 8 9 17 25 25 24 24 20 12 10

Average annual rainfall in Guastatoya: 1334.734mm (525.5 inches)

Average daily sunshine

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

Guastatoya average daily sunshine chart
Average daily sunshine Guastatoya
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.8 9.4 9.8 10.1 9.7 8.6 8.1 7.8 6.7 6.8 7.2 7.6

Day / night temperatures

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

Guastatoya average minimum / maximum temperatures (Celsius) Guastatoya average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Guastatoya (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 16.5 16.9 17.8 19.6 20.1 20 19.8 19.3 19.3 18.9 18 17
Max °C 27.7 28.9 30.7 32.1 31.6 30.2 29.8 30 29.3 28.6 28.1 27.5
Min °F 61.7 62.4 64 67.2 68.1 68 67.6 66.7 66.7 65.9 64.3 62.5
Max °F 71.8 73.2 75.6 78.4 78.4 77.2 76.6 76.3 75.7 74.7 73.4 72

Sea temperature

The graph below shows the average sea temperature.

Guastatoya average sea temperature chart (Celsius) Guastatoya average sea temperature chart (Fahrenheit)
Average sea temperature around Guastatoya in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28.3 28.3 28.8 29.7 29.9 29.7 29.6 29.8 29.5 29.3 29.3 28.9
°F 82.9 82.9 83.9 85.4 85.9 85.4 85.3 85.6 85.1 84.7 84.7 84

Wind speed

The graph below shows the average wind speed.

Guastatoya average winspeed by month (km/h) Guastatoya average winspeed by month (mph)
Average wind speed in Guastatoya (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 12 12 12 12 11 11 11 10 10 11 11
mph 7 7 8 7 7 7 7 7 6 7 7 7

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.

Guastatoya relative humidity averages
Average relative humidity in Guastatoya
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 63% 62% 62% 67% 75% 78% 78% 83% 81% 77% 74%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Guastatoya weather stats

Guastatoya weather statistics
Hottest month: April 31.8°C 89.2°F
Driest month: March 23mm 0.9ins
Sunniest month: March 9.8hrs
Coldest month: January 27.4°C 81.3°F
Wettest month: June 256mm 10.1ins
Warmest sea: May 29.9°C 85.8°F
Map showing location of Guastatoya (14.85389, -90.06472) Guastatoya map pin © Google

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