When to go · Big Valley

Big Valley in May

Good month. Outside the best window (Jun–Sep (museums open Jul 1–Aug 31)). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.

Key facts

Verdict: Good
Temperature: 18°C (64°F)64°F (18°C) / 4°C (39°F)39°F (4°C); average high / low
Rain days: 10
Crowds: Medium; Canada overall
Prices: Medium; Canada overall

Plan around it

Verdict

GoodCanada month rating

Outside the best window (Jun–Sep (museums open Jul 1–Aug 31)). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.

Is another month better than May?

May is rated good. These months rate higher:

Weather in May

Long-term averages

Big ValleyHighs around 18 °C (64 °F), lows around 4 °C (39 °F), rain on about 10 daysHighs around 64 °F (18 °C), lows around 39 °F (4 °C), rain on about 10 days

Crowds and prices

Crowds · Canada overall: Medium
Prices · Canada overall: Medium

Canada overall: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.

Compare two months

Weather, crowds and prices for any two months in Big Valley, side by side.

First month

Second month

Verdict
May: Good
Jun: Great (better)
Daytime high
May: 18 °C (64 °F)64 °F (18 °C)
Jun: 22 °C (72 °F)72 °F (22 °C)
Night low
May: 4 °C (39 °F)39 °F (4 °C)
Jun: 8 °C (46 °F)46 °F (8 °C)
Rain days
May: 10 (better)
Jun: 12
Crowds
May: Medium
Jun: Medium
Prices
May: Medium
Jun: Medium
Festivals listed
May: 0
Jun: 1

May: Outside the best window (Jun–Sep (museums open Jul 1–Aug 31)). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.

June: Inside Big Valley's best window: Jun–Sep (museums open Jul 1–Aug 31).

Big Valley: figures are long-term averages from this guide, not a forecast.

What to pack

A warm coat, hat and gloves for mornings and evenings
A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Canada in May →