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Portesham Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Portesham. The numbers are calculated over a 30-year period to provide a reliable average. Let’s explore the details in depth to provide you with a complete overview.

On average, Portesham receives a reasonable amount of rainfall, with an annual precipitation of 892 mm.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm)

The wettest period in Portesham occurs in October, which receives around 97 mm of precipitation. During the driest month, July, Portesham experiences moderate rainfall, totaling approximately 59 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

October, the wettest month, has a maximum daytime temperature of 16°C. The city receives 104 hours of sunshine in this period. During the driest month July you can expect a temperature of 21°C. For more detailed insights into the city’s temperatures, visit our Portesham Temperature page.

Annual Precipitation in the United Kingdom

The map below shows the annual precipitation across the United Kingdom. You can also select the different months in case you are interested in a specific month.

Annual
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Annual average
precipitation: 892 mm

More information

Legend heavy rainfall high moderate low almost none
Heavy annual rainfall has been defined as more than 1000 mm precipitation. High: 600 mm to 1000 mm. Moderate: 250 mm to 600 mm. Low: less than 250 mm.

Amsterdam Precipitation Compared World Wide

Portesham’s average annual precipitation is 892 mm. Let’s compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm of rainfall mostly during the winter months.

Beijing, China, receives 560 mm of annual precipitation, concentrated in the summer months.

In Brisbane, Australia, the annual precipitation is 979 mm, making it wetter than Sydney.

Ho Chi Minh City, Vietnam, receives 1955 mm of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

How is Precipitation Measured?

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Interesting weather facts

  • Mawsynram in India is noted as being the wettest place on earth, with over 11 meters of rain falling every year.
  • In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm per year, with some years recording virtually no rainfall.
  • Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Portesham’s weather, including sunshine hours, humidity levels, and temperature data, visit our Portesham Climate page.


Current rainfall in Portesham

Tuesday
25 Feb
Fair
Fair
10°C
0.2 mm
Wednesday
26 Feb
Rain showers
Rain showers
7°C
3.8 mm
Thursday
27 Feb
Fair
Fair
8°C
0 mm

Interested in more climate information?

This site provides you with all the information you need about the climate in Portesham.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.