ClimateForecastNovemberDecember >>

Delta Climate by Month

Delta experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It receives mid-range precipitation levels. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Delta is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures range from a comfortable 23°C in July, the warmest time of the year, to a chilly 6°C during cooler months like December. At night, temperatures typically average around 2°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Delta receives mid-range precipitation levels, with 953 mm annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives high rainfall, averaging 150 mm of precipitation, recorded across 21 rainy days. In contrast, the drier season, July brings less rainfall, with 18 mm over 6 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Delta. While July receives considerable daily sunshine with up to 9.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.9 hours of sunlight per day.

Monthly hours of sunshine

Data from: Vancouver, Canada (27 KM, 17 Miles).

Daily hours of sunshine

Data from: Vancouver, Canada (27 KM, 17 Miles).

The best time of year to visit Delta in Canada

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Delta?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Delta?
    The coldest month is December with an average maximum temperature of 6°C.
  • Which is the wettest month in Delta?
    November tops the wettest month list with 150 mm of rainfall.
  • Which is the driest month in Delta?
    July is the driest month with 18 mm of precipitation.
  • Which is the sunniest month in Delta?
    July is the sunniest month with an average of 289 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Delta

    Fri   Nov 22
    12°C | 6°C
    E 40 km/h
    3.8 mm
    broken clouds and rain

    broken clouds and rain

    Sat   Nov 23
    11°C | 6°C
    SE 25 km/h
    1.5 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain

    Sun   Nov 24
    8°C | 4°C
    E 14 km/h
    8.6 mm
    overcast and heavy rain

    overcast and heavy rain