Annual Weather Summary for 2009

Nant-y-Coy, The Hendre, Monmouth, Monmouthshire, Wales, UK   -   Elevation:  77m  :   5149'43"N    247'44"W

Temperatures in C

Date

Mean Max

Mean Min

Mean

Max temp

Min temp

January

6.4 0.0 3.2 10.8 -7.6

February

8.1 1.5 4.9 13.8 -5.1

March

12.3 1.9 7.1 16.7 -3.3

April

15.3 4.7 10.0 20.5 -0.9

May

17.4 7.2 12.3 25.2 1.8

June

21.1 10.1 15.6 27.7 4.5

July

20.7 11.7 16.2 29.8 7.4

August

21.0 11.6 16.3 26.1 6.7

September

19.2 9.2 14.2 21.9 4.2

October

16.0 7.6 11.8 19.7 1.2

November

11.4 5.9 8.6 15.9 -1.3

December

5.9 -0.1 2.9 11.8 -8.1

 

14.6 6.0 10.3 29.8 -8.1

Monthly Rainfall (mm) and Wind Speed (mph)

Date

The Hendre

Average 1929-2008

Wind - Daily Average

Wind - Max Gust

Dominant Direction

January

79.0 84.2 4.1 48.0 S

February

33.0 59.6 1.7 25.0 N

March

15.5 59.7 3.3 37.0 N

April

39.6 54.5 3.2 40.0 S

May

34.0 60.5 4.0 27.0 SW

June

74.4 51.6 1.4 28.0 N

July

172.2 49.8 3.4 29.0 S

August

34.3 63.0 3.2 35.0 S

September

25.4 66.5 1.6 30.0 N

October

62.5 81.0 1.7 34.0 S

November

199.4 82.9 5.2 45.0 SSW

December

100.1 84.7 2.1 32.0 N

 

869.4 799.2 2.9 51.0 S

Highs and Lows for 2009

Highest Solar Radiation

1284 W/m2

on

7 Jun 09

Highest Barometric Pressure

1037.2 mb

on

11 Sep 09

Lowest Barometric Pressure

970.6 mb

on

23 Jan 09

High Temperature

29.0

on

1 Jul 09

Low temperature

-7.6

on

23 Dec 09

High rainfall rate

152.4 mm/hr

on

13 Jul 09

Maximum day's rain

10.7mm

on

3 Mar 09

The above information was gathered by a Davis Vantage Pro Weather Station

using Weatherlink (V5.9) software