I have found an excellent site detailing weather averages (ie Max/min
temp, hours of sunshine) on a month by month basis for Australia:

http://www.bom.gov.au/climate/averages/tables/cw_067035.shtml

I am keen to find a similar level of detail for the UK - can anyone help?

Thanks

Keithyb

Hi keithy,

Here you go - 

ROGER BRUGGE'S UK CLIMATE PAGE: Averages:
"This page provides averages of temperature, pressure, rainfall,
relative humidity, wind speed, etc for dozens of individual stations
in the UK and Republic of Ireland."
http://www.met.rdg.ac.uk/~brugge/ukclimate.html

Brugge's - Climatological Observers Link: January 2004:
http://www.met.rdg.ac.uk/~brugge/col/reports.html

Met Office:  1971-2000 averages:
http://www.metoffice.com/climate/uk/averages/19712000/index.html

Met Office: 1961-90 Station Averages:
http://www.metoffice.gov.uk/climate/uk/averages/station.html

Datasets/UK Climate/Monthly climate summaries:
http://www.cru.uea.ac.uk/~mikeh/datasets/uk/month_uk.htm

WorldClimate by city:
http://www.worldclimate.com/

Historical Weather Data:
[click on city for more details]
http://www.washingtonpost.com/cgi-bin/search?F3=united+kingdom&RELEVANCE_RANK=0&DB_NAME=histwthr&DEFAULT_OPERATOR=and&FIELD_OPERATOR=or&FIELD_SORT=F1%2FA&TOTAL_HITLIST=20&HIT_TEMP_NAME=..%2Fdocs%2Fwp-srv%2Ftemplates%2Fhistwthr%2Fmetric.tmpl

Additional Links:

British WWW Weather Sites:
http://www.weather.org.uk/resource/britwx.htm

Climatic Data For The British Isles:
http://www.weather.org.uk/climate/

I hope at least one of these is what you are looking for. If you have
any questions, please post a clarification request before
closing/rating my answer.

Thank you,
hummer

Google Search Terms Used

climate averages uk