Updated on 2026-08-07 · Data: silent-valley (Met Office)
The average annual precipitation in Silent-valley is 1373.6 mm, based on historical data from the Met Office for the period 1961–2025. This makes it a notably wet location, with rainfall distributed fairly evenly throughout the year. The wettest month on average is October, with a monthly mean of 144.0 mm, closely followed by January and December, both at 142.4 mm.
Seasonally, winter (December, January, February) accumulates an average of 394 mm, while autumn (September, October, November) totals 393 mm. Spring (March, April, May) averages 296 mm and summer (June, July, August) 301 mm. These figures reflect a climate without a true dry season, though the late spring and summer months tend to be somewhat drier on average.
| Month | Average monthly precipitation (mm) | Record daily precipitation (mm) | Average rainy days |
|---|---|---|---|
| January | 142.4 | 72.2 | 15.8 |
| February | 108.7 | 52.3 | 13.6 |
| March | 114.3 | 65.7 | 13.9 |
| April | 92.3 | 67.6 | 11.5 |
| May | 89.9 | 53.8 | 13.2 |
| June | 89.1 | 69.8 | 10.9 |
| July | 95.0 | 63.2 | 12.0 |
| August | 117.2 | 71.2 | 13.4 |
| September | 108.7 | 73.8 | 12.1 |
| October | 144.0 | 106.1 | 14.9 |
| November | 140.1 | 86.2 | 13.9 |
| December | 142.4 | 117.6 | 15.4 |
The wettest month on average is October with 144.0 mm, while the driest is June with 89.1 mm. December holds the highest single-day rainfall record for any month at 117.6 mm, which is also the overall record for the station.
| Date | Precipitation (mm) |
|---|---|
| 1978-12-29 | 117.6 |
| 1981-10-03 | 106.1 |
| 1978-12-28 | 96.7 |
| 1976-10-15 | 92.1 |
| 2000-11-07 | 86.2 |
These five dates represent the most intense daily rainfall events at silent-valley between 1961 and 2025. Notably, three of the top five days occurred in October or December, consistent with the seasonal peak in autumn and early winter.
The chart shows the complete annual series. The table lists the most notable years; the full series comes from Met Office.
| Year | Total precipitation (mm) | Rainy days | Max daily precipitation (mm) |
|---|---|---|---|
| 1968 | 1503.7 | 165 | 82.4 |
| 1976 | 1453.1 | 152 | 92.1 |
| 1978 | 1555.3 | 169 | 117.6 |
| 1981 | 1680.4 | 172 | 106.1 |
| 2000 | 1518.7 | 181 | 86.2 |
| 2011 | 1221.5 | 165 | 32.2 |
| 2023 | 2002.3 | 185 | 81.3 |
Silent-valley receives an average of 1373.6 mm of precipitation per year, based on the full 1961–2025 series from the silent-valley station operated by the Met Office.
On average, there are 159.1 days per year with measurable rainfall (days with precipitation greater than 1 mm). This high frequency of rain days, combined with 1373.6 mm of annual precipitation, reflects a persistently damp climate.
October is the wettest month on average, with a mean of 144.0 mm. January and December follow closely, both averaging 142.4 mm. The driest month on average is June, with 89.1 mm.
The highest single-day precipitation total at this station is 117.6 mm, recorded on 1978-12-29. This event is also the daily record for December, which has a monthly record of 117.6 mm.
With an annual average of 1373.6 mm and 159.1 rainy days per year, Silent-valley is clearly a wet location. Its rainfall is distributed rather evenly, with only a moderate reduction in late spring and summer; winter and autumn are the wettest seasons, at 394 mm and 393 mm respectively.
Data from the Met Office weather station network. Station: silent-valley. Period: 1961–2025. aemet.es
HistoClima Tools: discover the weather on the day you were born, your wedding day, or your birthday-week statistics.
AI-assisted content from official Met Office data, automatically verified. 🤖 IA-assisted content · Art. 50 EU AI Act
© 2026 HistoClima · data: Met Office (OGL v3.0) · not affiliated with Met Office · citation permitted with source.