Percentage figures under the numbers are percentages of the UK Metoffice long term average for that month, using figures recorded at their Culdrose (Near Helston) Weather Station.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| 2023 | 104.8 (92%) | 20.3 (25%) | 117.9 (147%) | 82.4 (123%) | 49.1 (82%) | 20.9 (35%) | 103.9 (168%) | 89.7 (134%) | 66.8 (93%) | 107.4 (102%) | 154.3 (133%) | 31.4 (27%) | 948.9 (92.2%) |
| 2022 | 49.2 (43%) | 66.8 (83%) | 48.3 (60%) | 34.9 (52%) | 42.1 (70%) | 67.2 (111%) | 19.9 (32%) | 21.0 (31%) | 114.2 (159%) | 74.5 (71%) | 146.9 (127%) | 107.0 (92%) | 792.0 (77%) |
| 2021 | 109.9 (97%) | 65.2 (81%) | 28.9 (36%) | 6.0 (9%) | 85.8 (143%) | 64.2 (106%) | 78.2 (127%) | 30.8 (46%) | 63.6 (88%) | 125.4 (119%) | 51.0 (44%) | 75.8 (65%) | 784.8 (76.3%) |
| 2020 | 78.5 (69%) | 174.3 (217%) | 81.8 (102%) | 32.3 (48%) | 42.2 (70%) | 135.2 (223%) | 39.5 (64%) | 118.0 (176%) | 56.4 (78%) | 140.0 (133%) | 62.6 (54%) | 169.9 (147%) | 1130.7 (109.9%) |
| 2019 | 61.9 (55%) | 61.0 (76%) | 71.4 (89%) | 46.4 (69%) | 6.9 (12%) | 66.6 (110%) | 40.6 (66%) | 88.4 (132%) | 92.8 (129%) | 151.2 (144%) | 167.5 (145%) | 100.9 (87%) | 955.6 (92.9%) |
| 2018 | 146.9 (130%) | 74.7 (93%) | 141.8 (177%) | 54.0 (80%) | 40.0 (67%) | 6.4 (11%) | 43.0 (70%) | 50.2 (75%) | 44.6 (62%) | 96.2 (92%) | 158.7 (137%) | 98.5 (85%) | 955.0 (92.8%) |
| 2017 | 61.6 (54%) | 72.6 (90%) | 76.6 (96%) | 7.8 (12%) | 38.9 (65%) | 79.9 (132%) | 76.9 (124%) | 75.5 (113%) | 124.8 (174%) | 62.9 (60%) | 53.4 (46%) | 115.5 (100%) | 846.4 (82.3%) |
| 2016 | 191.0 (168%) | 121.9 (152%) | 85.9 (107%) | 56.6 (84%) | 38.3 (64%) | 64.4 (106%) | 31.5 (51%) | 50.4 (75%) | 120.8 (168%) | 60.7 (58%) | 118.0 (102%) | 39.5 (34%) | 979.0 (95.2%) |
| 2015 | 163.1 (144%) | 79.6 (99%) | 58.7 (73%) | 25.3 (38%) | 69.3 (116%) | 29.6 (49%) | 55.9 (90%) | 120.2 (179%) | 55.3 (77%) | 56.4 (54%) | 143.6 (124%) | 129.7 (112%) | 986.7 (95.9%) |
| 2014 | 154.2 (136%) | 120.9 (150%) | 45.3 (56%) | 87.7 (131%) | 82.5 (138%) | 37.9 (63%) | 28.5 (46%) | 62.2 (93%) | 4.0 (6%) | 102.6 (98%) | 123.3 (107%) | 91.9 (79%) | 941.0 (91.5%) |
| 2013 | 116.0 (102%) | 56.1 (70%) | 79.5 (99%) | 47.1 (70%) | 86.9 (145%) | 72.3 (120%) | 38.0 (61%) | 77.4 (116%) | 62.4 (87%) | 123.8 (118%) | 75.0 (65%) | 143.6 (124%) | 978.1 (95.1%) |
| 2012 | 60.5 (53%) | 41.0 (51%) | 26.4 (33%) | 157.3 (234%) | 44.1 (74%) | 142.8 (236%) | 112.7 (182%) | 137.2 (205%) | 59.8 (83%) | 138.5 (132%) | 136.5 (118%) | 174.5 (151%) | 1231.3 (119.7%) |
| 2011 | 117.7 (104%) | 101.3 (126%) | 26.6 (33%) | 14.4 (21%) | 32.7 (55%) | 102.3 (169%) | 48.1 (78%) | 61.1 (91%) | 78.2 (109%) | 93.9 (89%) | 64.1 (55%) | 131.2 (113%) | 871.6 (84.7%) |
| 2010 | 102.1 (90%) | 80.7 (100%) | 90.9 (113%) | 35.7 (53%) | 30.6 (51%) | 36.6 (60%) | 55.8 (90%) | 101.1 (151%) | 97.8 (136%) | 89.8 (86%) | 139.8 (121%) | 49.3 (43%) | 910.2 (88.5%) |
| 2009 | 86.4 (75%) | 86.4 (8.4%) |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Station Average | 108.4 | 81.2 | 70.0 | 49.1 | 49.2 | 66.2 | 55.2 | 77.4 | 74.4 | 101.7 | 113.9 | 103.0 | 893.2 |
| UKMO Average | 113.4 | 80.4 | 80.2 | 67.2 | 60.0 | 60.5 | 61.8 | 67.0 | 71.9 | 105.0 | 115.7 | 115.9 | 998.8 |
| Max | 191.0 | 174.3 | 141.8 | 157.3 | 86.9 | 142.8 | 112.7 | 137.2 | 124.8 | 151.2 | 167.5 | 174.5 | 191.0 |
| Min | 49.2 | 20.3 | 26.4 | 6.0 | 6.9 | 6.4 | 19.9 | 21.0 | 4.0 | 56.4 | 51.0 | 31.4 | 4.0 |
