| Remarks | Max | Min | Rain | ||||
| 1st | Cold and grey. Very light breeze from the NE. | 1.7 | C | -2.8 | C | 0.3 | mm |
| 2nd | Light showers before dawn, then cloud breaking to brief sunny spells. | 4.0 | C | -1.3 | C | _ | |
| 3rd | Hard frost overnight. Grey, overcast and cold. Light air. | 2.0 | C | -3.0 | C | _ | |
| 4th | Hard frost. Light air. Overcast all day and staying very cold. Snow showers overnight. | 1.2 | C | -3.5 | C | 1.5 | mm |
| 5th | Brief sunshine, but staying very cold. Light snow shower during the late afternoon. | 2.5 | C | -2.4 | C | tr | mm |
| 6th | Severe frost. Coldest January night since 2002. Prolonged sunshine, but cold throughout the day. | 1.5 | C | -5.5 | C | tr | mm |
| 7th | Early hard frost, but temperatures rising through the night. Overcast. Brief snow shower during the afternoon. | 2.1 | C | -5.2 | C | tr | mm |
| 8th | Early fog. Staying grey and overcast all day. | 4.1 | C | 0.3 | C | tr(fe) | mm |
| 9th | Mist. Remaining grey and overcast throughout the day. Freezing fog developing early evening. | 1.6 | C | -0.5 | C | _ | |
| 10th | Freezing fog depositing rime clearing during the morning. Remaining grey, overcast and cold. | 4.4 | C | -4.6 | C | tr(x) | mm |
| 11th | Milder air, but significant wind chill in a strong wind. Brief sunny spells through the morning. Cloudy during the afternoon. | 8.9 | C | -4.0 | C | 0.3 | mm |
| 12th | Strong wind with frequent outbreaks of rain ending early evening. | 9.0 | C | 3.2 | C | 3.9 | mm |
| 13th | Brief spells of hazy sunshine and again reasonably mild. Light rain shower during the early evening. | 8.0 | C | 4.6 | C | _ | |
| 14th | Freezing fog at dawn. Staying grey and misty all day. Winds increasing to moderate later from the SE. | 6.6 | C | -0.5 | C | _ | |
| 15th | Mostly overcast. Brief glimpses of hazy sunshine. Freshening S or SE wind. | 6.0 | C | 4.4 | C | 1.0 | mm |
| 16th | Outbreaks of rain overnight. Mostly overcast with a few glimpses of sunshine. Brisk S or SW wind. | 8.6 | C | 4.6 | C | 2.5 | mm |
| 17th | Overnight rain clearing to good sunshine. Clouding over during the afternoon. Wet and very windy overnight. | 8.9 | C | 5.4 | C | 3.5 | mm |
| 18th | Rain early in the night. Bright morning leading to prolonged sunny spells throughout the day. Brisk wind from the south. | 6.5 | C | 2.5 | C | 3.2 | mm |
| 19th | Heavy rain before dawn. Brief spells of sunshine through the afternoon. Moderate SW wind. | 6.5 | C | 2.4 | C | _ | |
| 20th | Frosty but bright start leading to prolonged spells of sunshine. | 6.4 | C | 0.8 | C | tr(x) | mm |
| 21st | Frosty start, but sunshine developing. Clouding over later with occasional showers during the evening. Strengthening wind later. | 8.5 | C | -0.4 | C | 3.9 | mm |
| 22nd | Early rain clearing to sunshine. Brisk wind. Outbreaks of rain returning late evening. | 9.6 | C | 1.4 | C | 3.3 | mm |
| 23rd | Rain during the morning turning to sleet/snow for a time then clearing. Rest of the day dry. Brief sunshine during the afternoon. | 5.7 | C | 3.0 | C | 0.9 | mm |
| 24th | Frosty start and overcast. Brief sunny spells coming through during the afternoon. Outbreaks of very light rain late evening. | 7.0 | C | 0.0 | C | 3.7 | mm |
| 25th | Rain early morning clearing before 0900. Dry for the remainder of the day, but overcast. | 7.8 | C | 0.6 | C | tr | mm |
| 26th | Early cloud clearing to sunny spells. Dry. Early frost during the evening. | 8.2 | C | 3.2 | C | tr(fe) | mm |
| 27th | Freezing fog clearing very slowly. Brief sunny spells around mid-day. | 6.7 | C | -2.1 | C | 5.7 | mm |
| 28th | Outbreaks of rain during the morning clearing to feint drizzle. Overcast and misty throughout the day. | 7.2 | C | -0.5 | C | 2.1 | mm |
| 29th | Shower early in the night. Mist with drizzle at 0900 clearing to brief sunny spells. Early frost during the evening. | 5.3 | C | 3.6 | C | tr | mm |
| 30th | Mist clearing to spells of hazy sunshine. Staying generally dry. | 5.9 | C | -0.4 | C | 0.1 | mm |
| 31st | Dry with spells of sunshine. Turning colder with a moderate E'erly wind. | 5.9 | C | 1.0 | C | _ | |