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The best time to visit Delta

Month-by-month climate averages for Delta, British Columbia, so you can pick your dates on data rather than guesswork.

Short answer

The most comfortable time to visit Delta is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest November rain is behind you.

Delta is warmest in July (highs near 22°C) and coldest in January (lows around 2°C), with roughly 1336 mm of precipitation across the year and November the wettest month. The sweet spot for most visitors is May, June, July and August.

These are long-run averages. For the actual days you are travelling, check the live Delta forecast - and note how much the models agree, because that tells you how much to trust it.

Delta weather by month

what to expect in Delta through the year, 1991-2020 averages

Here is Delta's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Delta by season.

Jan
6°
2°
Cold
Feb
7°
2°
Cold
Mar
9°
3°
Cool
Apr
12°
6°
Cool
May
16°
8°
Mild
Jun
18°
11°
Mild
Jul
22°
13°
Warm
Aug
22°
14°
Warm
Sep
19°
12°
Mild
Oct
14°
8°
Cool
Nov
9°
4°
Cool
Wettest
Dec
6°
2°
Cold

Common questions

When is the best time to visit Delta?
The most comfortable time to visit Delta is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest November rain is behind you.
What is the warmest month in Delta?
July is the warmest month in Delta, averaging highs near 22°C.
What is the coldest month in Delta?
January is the coldest month in Delta, with lows around 2°C.
When is the rainy season in Delta?
The wettest month in Delta is usually November, out of roughly 1336 mm of precipitation across the year.

Delta month by month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember