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> Uk > Lerwick, Shetland Islands > Precipitation
Rainfall/ Precipitation in Lerwick, Shetland Islands, Uk
- Lerwick, Shetland Islands receives 1209 mm (47.6 in) of rainfall per year, or 100.8 mm (4 in) per month.
- On average there are 243 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 20.3 days with a quantity of rain, sleet, snow etc. per month.
- The driest weather is in May when an average of 60 mm (2.4 in) of rainfall (precipitation) occurs.
- The wettest weather is in December when an average of 143 mm (5.6 in) of rainfall (precipitation) occurs.
Precipitation Table
| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Average Precipitation mm (in) | 131 (5.16) | 92 (3.6) | 114 (4.5) | 72 (2.8) | 62 (2.4) | 60 (2.4) | 62 (2.4) | 79 (3.1) | 118 (4.6) | 134 (5.3) | 143 (5.6) | 142 (5.6) | 1209 (47.6) | |
 | Precipitation Litres/m² (Gallons/ft²) | 131 (3.21) | 92 (2.26) | 114 (2.8) | 72 (1.77) | 62 (1.52) | 60 (1.47) | 62 (1.52) | 79 (1.94) | 118 (2.89) | 134 (3.29) | 143 (3.51) | 142 (3.48) | 1209 (29.65) | |
 | Number of Wet Days (probability of rain on a day) | 25 (81%) | 22 (78%) | 20 (65%) | 21 (70%) | 15 (48%) | 15 (50%) | 17 (55%) | 17 (55%) | 19 (63%) | 23 (74%) | 24 (80%) | 25 (81%) | 243 (67%) | |
 | Percentage of Sunny (Cloudy) Daylight Hours | 13 (87) | 19 (81) | 25 (75) | 30 (70) | 32 (68) | 28 (72) | 23 (77) | 25 (75) | 27 (73) | 22 (78) | 15 (85) | 8 (92) | 25 (75) |