Weather conditions in Pentraeth

Data collected using a Oregon Scientific WMR928 weather station and Virtual Weather Station software. This page is usually updated every 10 minutes.

Temperatures are in °C. Note that the picture in the upper right corner is the forecast (based on the barometer) for the next 12-48 hours. It is not necessarily the current conditions!

The full data set back to November 2005, with readings every ten minutes, is archived on-line at Weather Underground.

Note: the weather videos and pictures are now on a separate page. Check out a satellite photo of North Wales under snow.

Monthly Summaries

Monthly Mean Temperature (°C)
	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012
January		6.2	6.8	8.0	5.4	8.1	7.5	4.9	3.4	4.4	6.3
February		5.2	6.2	5.6	5.5	6.5	6.1	5.4	3.5	7.5
March		7.3	7.1	8.4	5.5	7.4	6.9	7.2	5.8	6.4
April		10.3	9.7	8.9	8.7	11.0	8.3	9.6	8.8	11.1
May		11.9	11.9	11.3	11.4	11.9	13.5	11.1*	11.0	12.2
June		15.2	14.5	14.9	15.2	14.5	13.5	14.5	14.9	13.3
July	16.5	16.7	15.1	15.8	17.7	14.8	15.8	15.7	15.7	14.7
August	15.6	16.5	16.6	15.5	15.3	15.1	15.6	15.9	14.8	14.5
September	14.0	13.9	14.8	14.6	15.6	13.8	13.4	13.7	13.9	14.5
October	8.6	9.8	11.0	12.8	12.8	11.2	10.5	12.1	11.5	12.9
November	9.5	9.0	9.6	7.3	9.3	9.4	8.4	9.1	6.5	10.3
December	7.9	6.2	7.6	6.7	7.7	6.2	5.2	4.5	2.0	7.3

* - Note that the actual mean for May 2009 may have been higher. The station was not collecting data for five days at the end of the month when the weather was warm.

 

Monthly Rainfall (mm)
	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012
January		82.3	114.5	70.8	86.3	106.4	160.0	77.4	48.9	56.7	80.5
February		47.3	83.8	52.8	63.5	44.6	58.6	13.9	40.2	103.8
March		35.3	46.5	40.0	139.5	54.9	79.9	43.1	88.3	22.9
April		73.8	38.8	106.5	73.5	21.1	84.9	42.1	17.6	39.0
May		133.3	36.5	49.8	117.5	63.0	25.2	61.7	17.3	71.4
June		81.5	42.5	33.5	21.5	108.3	108.4	55.0	54.7	48.3
July	40.0	65.3	75.5	64.3	20.3	100.9	64.0	106.8	142.1	59.6
August	94.3	7.0	129.5	51.8	73.5	79.7	95.2	98.0	41.7	90.1
September	22.5	134.0	122.8	89.3	89.5	100.1	100.8	39.9	102.9	155.3
October	166.0	57.8	171.8	198.0	106.8	37.9	248.9	72.3	94.4	98.3
November	183.3	123.3	82.8	163.8	78.8	88.0	85.2	234.7	84.2	72.1
December	108.8	111.3	102.5	56.8	156.4	115.3	82.9	113.8	22.0	142.7

Seasonal Total Rainfall (mm)
	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
Winter		238.3	309.5	226.0	206.5	307.4	333.9	174.2	202.9	182.5
Spring		242.3	121.8	196.3	330.5	139.0	190.0	146.9	123.2	133.3
Summer		153.8	247.5	149.5	115.3	288.9	267.7	259.8	238.5	197.9
Autumn	371.8	315.0	377.3	451.0	275.0	226.0	434.9	346.9	281.6	313.2

5 Day Forecast

Affiliations

Other weather links

BBC - Recent conditions and five day forecast for Pentraeth

Llansadwrn - Extensive weather pages for a nearby village.

Snowdonia - First Hydro's weatherstation on top of Mt. Snowdon (tallest in Wales & England).

Snowdonia - Countryside Council for Wales' (CCW) station on the slopes of Mt. Snowdon (note: this station has been out of order since August 2010).

Cors Erddreiniog - Another CCW station at a wetland National Nature Reserve four miles from Pentraeth.

UK Met Office

Valley weather data (Met Office) - Graphs of weather data for last 24 hours from Valley, Anglesey

Dyffryn/Valley - A new private weather station also at Valley.

Wind and Landscape - Information and slide shows about the nature of wind and the landscape, particularly in Iceland, Scotland and Newfoundland.