As with the rest of the United Kingdom, Manchester's climate is highly changeable and unpredictable. In general, however, the weather in Manchester is warm, with sunny summers and cold, wet winters. Snowfall is little, but winter days can be frosty and clear. High pressure systems can sometimes cause very hot summer temperatures or very cold winter temperatures, but these tend to pass quickly. The average temperature in January is around 39°F (4°C), while the average temperature in July is about 59°F (15°C).