Okanagan Valley Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in the Okanagan Valley, Canada in August.

Thinking about venturing to the Okanagan Valley, Canada this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in the Okanagan Valley in August

The Okanagan Valley, Canada is a region in Canada. August in the Okanagan Valley generally has warm temperatures, with precipitation levels ranging from low to moderate. The month of August is in the summer season.

Temperatures

The average maximum temperatures are warm and range from 24°C (75°F) in Peachland to 30°C (86°F) in Osoyoos. Nighttime temperatures generally drop to 14°C (57°F) in Osoyoos and 11°C (52°F) in Peachland. On average, August is the month with the highest temperature of the year in the Okanagan Valley, Canada.

To learn more about the conditions in specific areas of the Okanagan Valley, Canada, check out the map below.

Precipitation

In August, precipitation varies across different areas. From low rainfall in Osoyoos with an average of 16 mm (0.6 in) to moderate rainfall in Armstrong with 36 mm (1.4 in). Going by our weather data, this month in Kelowna usually has the least rain, making it the driest month of the year.

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Kelowna enjoys approximately 281 hours of sunlight, ideal for those seeking sunny weather.

Explore the Okanagan Valley by month

Pick a month to see the average temperature, rainfall and sunshine in the Okanagan Valley — and find the best time to visit. (based on Kelowna)

Best Places to Visit in the Okanagan Valley in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Okanagan Valley.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Okanagan Valley

What is the weather like in August for some of the most popular destinations in the Okanagan Valley, Canada?

Temperature range in the Okanagan Valley (August)

Precipitation variation in the Okanagan Valley (August)

Kelowna

In August Kelowna generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 13°C (55°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
20°C (68°F)
Min temperature
12°C (54°F)
13°C (55°F)
9°C (48°F)
Monthly sun hours
297 hours
281 hours
216 hours
Monthly rainfall
33 mm (1.3 in)
27 mm (1.1 in)
47 mm (1.9 in)
Monthly rainy days
8 days
8 days
8 days
Weather conditions

Penticton

In August Penticton generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 12°C (54°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
20°C (68°F)
Min temperature
11°C (52°F)
12°C (54°F)
8°C (46°F)
Monthly sun hours
297 hours
281 hours
216 hours
Monthly rainfall
32 mm (1.3 in)
26 mm (1 in)
42 mm (1.7 in)
Monthly rainy days
7 days
8 days
7 days
Weather conditions

Vernon

In August Vernon generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
25°C (77°F)
20°C (68°F)
Min temperature
11°C (52°F)
11°C (52°F)
7°C (45°F)
Monthly sun hours
297 hours
281 hours
216 hours
Monthly rainfall
45 mm (1.8 in)
36 mm (1.4 in)
50 mm (2 in)
Monthly rainy days
9 days
9 days
10 days
Weather conditions

Osoyoos

In August Osoyoos generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 14°C (57°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
31°C (88°F)
30°C (86°F)
24°C (75°F)
Min temperature
15°C (59°F)
14°C (57°F)
9°C (48°F)
Monthly rainfall
21 mm (0.8 in)
16 mm (0.6 in)
16 mm (0.6 in)
Monthly rainy days
8 days
6 days
7 days
Weather conditions

Summerland

In August Summerland generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 11°C (52°F) and low monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
19°C (66°F)
Min temperature
11°C (52°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
297 hours
281 hours
216 hours
Monthly rainfall
35 mm (1.4 in)
28 mm (1.1 in)
45 mm (1.8 in)
Monthly rainy days
8 days
8 days
7 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in the Okanagan Valley, in Canada.

Popular cities in August

Day & night temperatures, rainfall and average weather in the Okanagan Valley in August.

City Weather Day temp Night temp Rainfall
Kelowna 24°C (75°F) 13°C (55°F) 27 mm (1.1 in)
Penticton 25°C (77°F) 12°C (54°F) 26 mm (1 in)
Vernon 25°C (77°F) 11°C (52°F) 36 mm (1.4 in)
Osoyoos 30°C (86°F) 14°C (57°F) 16 mm (0.6 in)
Summerland 24°C (75°F) 11°C (52°F) 28 mm (1.1 in)
Peachland 24°C (75°F) 11°C (52°F) 30 mm (1.2 in)

The Okanagan Valley weather in August: frequently asked questions

What is the weather like in the Okanagan Valley, Canada in August?

In August, the Okanagan Valley, Canada generally has perfect weather conditions. Kelowna sees daytime temperatures near 24°C (75°F), with nights cooling to roughly 13°C (55°F).

What is the average temperature in the Okanagan Valley, Canada in August?

Kelowna averages a daytime maximum of 24°C (75°F) in August, with overnight lows close to 13°C (55°F).

Does the Okanagan Valley, Canada get a lot of rain in August?

August is on the drier side in the Okanagan Valley, Canada. Kelowna averages only about 27 mm (1.1 in), with most days staying dry.

Is August a Good Time to Visit the Okanagan Valley, Canada?

We consider August to be one of the best times to travel to the Okanagan Valley, Canada. Typically, the climate in Kelowna is perfect.

Generally speaking, July, August and September provide perfect weather in Kelowna. The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in the Okanagan Valley.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.