Winnipeg in August

In August, Winnipeg averages 25°C (77°F) during the day and 15°C (58°F) at night, with frequent rain — about 15 days of the month see precipitation (76 mm total).

Peak season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

August offers comfortable temperatures in Winnipeg, with some rain to plan around.

25°C
Avg high
15°C
Avg low
15
Rain days
76 mm
Rainfall

How August compares to the rest of the year in Winnipeg

2nd
warmest month of the 12
4th
wettest month of the 12
13%
of yearly rainfall falls in August
14 h 29 min
daylight on the 15th

August is one of the warmest months in Winnipeg (2nd of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 16°C above the annual average (9°C). August runs 1°C cooler than July (26°C) and cools 5°C in September (19°C).

August sunrise & sunset in Winnipeg

🌅
Sunrise (15th)
6:18 AM
🌇
Sunset (15th)
8:47 PM
Day length
14 h 29 min

Times shown for Winnipeg local time (America/Winnipeg), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Winnipeg — August

Golden-hour and blue-hour windows for the 15th of August, in Winnipeg's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:18 AM – 5:58 AM
🌄 Golden hour (AM)
5:58 AM – 6:58 AM
🌇 Golden hour (PM)
8:07 PM – 9:07 PM
🌆 Blue hour (PM)
9:07 PM – 9:47 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Winnipeg.

📅 When to book — Winnipeg in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and Winnipeg's popularity.

✈ Flights — lead time
3-5 months
Flight prices are near their annual peak. Watch fare-alert tools, book directly when you see a fare under the typical range for this city.
🏨 Lodging — lead time
3-5 months
Reasonable selection still available at 3-4 months out, but central locations vanish first.

Crowds & pricing — August in Winnipeg

Peak season

Winnipeg is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.

Why this tier: excellent tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — August in Winnipeg

☀️ UV Index (noon, 15th)
9.8
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Winnipeg in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January -10°C / 15°F -19°C / -2°F 19 mm 12
February -10°C / 13°F -20°C / -5°F 16 mm 11
March 0°C / 32°F -10°C / 13°F 21 mm 11
April 8°C / 47°F -3°C / 27°F 47 mm 13
May 18°C / 65°F 7°C / 44°F 62 mm 13
June 24°C / 75°F 14°C / 56°F 87 mm 17
July 26°C / 78°F 16°C / 61°F 80 mm 17
August 25°C / 77°F 15°C / 58°F 76 mm 15
September 19°C / 67°F 10°C / 50°F 72 mm 15
October 10°C / 50°F 2°C / 36°F 47 mm 16
November 0°C / 33°F -6°C / 20°F 27 mm 14
December -7°C / 20°F -14°C / 6°F 26 mm 12

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Winnipeg in August →

Frequently asked questions

How hot is Winnipeg in August?

In August, Winnipeg averages a high of 25°C (77°F) and a low of 15°C (58°F) — generally warm.

Does it rain a lot in Winnipeg in August?

August is quite rainy in Winnipeg, with about 15 rainy days on average.

Is August a good time to visit Winnipeg?

August is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Winnipeg in August?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Winnipeg for a complete, climate-based checklist.

Open Winnipeg on the interactive map

Check the live 10-day forecast and sunrise/sunset.