Weather in Tofino in May

Canada · 20-year averages, May

Shoulder season. May sits in between. You will get good days and you will lose some. Highs sit at 14 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

May ranks 5 of 12 in Tofino: past the worst of the year but short of July, which is the month to book if the dates are open.

Rain on 13 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 14 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: the day barely swings — 4.6 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest May day reached 26.1 °C and the coldest night fell to 4.1 °C, and the wettest single day dropped 26 mm — roughly 34% of the month's rain in one day.

May is moderately variable: 22 mm in the driest year against 144 mm in the wettest, around an average of 76 mm. Roughly two Mays in three land near that average, and the third does something else entirely.

Wind is light at 7.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 83%, which at 14 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How May sits in the year

The month is on the way up: 3.2 °C warmer than April, and June adds another 1.9 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in May

15.3 hours of daylight, gaining 1.3 hours across the month. That is between Tofino's extremes of 16.2 and 8.2 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 10.9 °C in May — too cold to swim without a wetsuit. The sea peaks at 14.4 °C in August and bottoms out at 8.4 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

May in Tofino versus nearby

If Tofino is one option among several, the nearby comparison is worth making. Nanaimo is a better bet in May — 3.3 °C warmer, 2 days less rain. Vancouver is close enough to be a coin toss — 3.1 °C warmer, 2 days more rain.

So: May is a compromise. July is 22 points better and is what Tofino is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Tofino

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hSea °CScore
January7.85.1 22315888.68.826
February7.84.5 171638510.18.527
March8.75.3 212138611.88.429
April10.86.7 171468313.79.338
May149.3 13768315.310.957
June15.911.4 13698416.212.663
July18.313.3 9478615.913.879
August18.613.8 10568714.514.478
September1712.4 121048712.714.366
October13.39.6 181998710.912.544
November9.86.8 21314879.210.832
December7.54.8 21282888.29.525

See all twelve months in Tofino, or where else to go in May.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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