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Tofino vs Siena
Comparing Tofino change · Siena change
Siena is the warmer of the two — about 7°F on the annual average; Tofino is the wetter, with 99 in more rain a year, and Siena the sunnier.
How the seasons compare
The differences between Tofino and Siena, in everyday terms.
Summers
Siena has far hotter summers
Tofino: Mild
Siena: Hot
Winters
Tofino has milder winters
Tofino: Chilly
Siena: Chilly
Rain & snow
Tofino is much wetter
Tofino: Very wet
Siena: Moderate rainfall
Sky
Siena is sunnier
Tofino: Often cloudy
Siena: Partly cloudy
Month-by-month charts
Temperature
Siena is the warmer of the two — about 7°F on the annual average.
Precipitation
Tofino is the wetter — about 99 in more across the year.
Clear skies
Siena has the clearer skies — the higher line.
Exact monthly numbers
Tap a metric to open its full table. Desktop shows all twelve months; on a phone each metric splits into Jan–Jun and Jul–Dec.
Avg high (°F) Siena runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tofino | 47 | 49 | 50 | 54 | 59 | 63 | 66 | 67 | 64 | 57 | 51 | 47 |
| Siena | 49 | 52 | 59 | 66 | 74 | 82 | 89 | 89 | 78 | 68 | 57 | 50 |
| Difference | +1 | +3 | +9 | +12 | +15 | +20 | +22 | +22 | +14 | +10 | +6 | +3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tofino | 47 | 49 | 50 | 54 | 59 | 63 |
| Siena | 49 | 52 | 59 | 66 | 74 | 82 |
| Difference | +1 | +3 | +9 | +12 | +15 | +20 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tofino | 66 | 67 | 64 | 57 | 51 | 47 |
| Siena | 89 | 89 | 78 | 68 | 57 | 50 |
| Difference | +22 | +22 | +14 | +10 | +6 | +3 |
Avg low (°F) Siena runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tofino | 37 | 36 | 37 | 39 | 44 | 49 | 52 | 52 | 49 | 44 | 39 | 36 |
| Siena | 33 | 33 | 37 | 42 | 49 | 56 | 60 | 60 | 53 | 47 | 41 | 34 |
| Difference | -4 | -3 | — | +2 | +5 | +7 | +8 | +8 | +4 | +4 | +2 | -2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tofino | 37 | 36 | 37 | 39 | 44 | 49 |
| Siena | 33 | 33 | 37 | 42 | 49 | 56 |
| Difference | -4 | -3 | — | +2 | +5 | +7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tofino | 52 | 52 | 49 | 44 | 39 | 36 |
| Siena | 60 | 60 | 53 | 47 | 41 | 34 |
| Difference | +8 | +8 | +4 | +4 | +2 | -2 |
Precipitation (in) Tofino runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tofino | 20.4 | 12.6 | 13.6 | 10.7 | 5.8 | 4.9 | 3 | 4.2 | 6.7 | 13.4 | 19.1 | 18.7 |
| Siena | 2.1 | 2.2 | 2.5 | 2.8 | 2.9 | 2.1 | 1.7 | 1.7 | 3.8 | 4.3 | 4.8 | 3.2 |
| Difference | -18.3 | -10.3 | -11.1 | -7.9 | -2.8 | -2.8 | -1.3 | -2.5 | -2.9 | -9.1 | -14.3 | -15.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tofino | 20.4 | 12.6 | 13.6 | 10.7 | 5.8 | 4.9 |
| Siena | 2.1 | 2.2 | 2.5 | 2.8 | 2.9 | 2.1 |
| Difference | -18.3 | -10.3 | -11.1 | -7.9 | -2.8 | -2.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tofino | 3 | 4.2 | 6.7 | 13.4 | 19.1 | 18.7 |
| Siena | 1.7 | 1.7 | 3.8 | 4.3 | 4.8 | 3.2 |
| Difference | -1.3 | -2.5 | -2.9 | -9.1 | -14.3 | -15.5 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tofino | 2.6 | 2.2 | 2.4 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 2.7 |
| Siena | — | — | — | — | — | — | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tofino | 2.6 | 2.2 | 2.4 | 0.1 | 0 | 0 |
| Siena | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tofino | 0 | 0 | 0 | 0 | 0.7 | 2.7 |
| Siena | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Tofino runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tofino | 79 | 75 | 78 | 75 | 73 | 72 | 61 | 63 | 58 | 70 | 77 | 80 |
| Siena | 65 | 61 | 62 | 65 | 62 | 50 | 36 | 39 | 53 | 62 | 69 | 65 |
| Difference | -14 | -14 | -16 | -11 | -11 | -22 | -25 | -25 | -6 | -7 | -8 | -15 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tofino | 79 | 75 | 78 | 75 | 73 | 72 |
| Siena | 65 | 61 | 62 | 65 | 62 | 50 |
| Difference | -14 | -14 | -16 | -11 | -11 | -22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tofino | 61 | 63 | 58 | 70 | 77 | 80 |
| Siena | 36 | 39 | 53 | 62 | 69 | 65 |
| Difference | -25 | -25 | -6 | -7 | -8 | -15 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tofino | 88 | 85 | 85 | 83 | 83 | 85 | 86 | 87 | 86 | 87 | 87 | 88 |
| Siena | 91 | 86 | 82 | 78 | 73 | 63 | 54 | 55 | 68 | 80 | 89 | 91 |
| Difference | +2 | +1 | -3 | -5 | -9 | -22 | -33 | -32 | -19 | -7 | +1 | +3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Tofino | 88 | 85 | 85 | 83 | 83 | 85 |
| Siena | 91 | 86 | 82 | 78 | 73 | 63 |
| Difference | +2 | +1 | -3 | -5 | -9 | -22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Tofino | 86 | 87 | 86 | 87 | 87 | 88 |
| Siena | 54 | 55 | 68 | 80 | 89 | 91 |
| Difference | -33 | -32 | -19 | -7 | +1 | +3 |
How both climates are changing
Both cities are warming. Each city has its own warming trend; see its trends page for the year-by-year detail. Tofino trends → · Siena trends →
Methodology & sources
Tofino
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Ucluelet Kennedy Camp, a weather station, about 36 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
Siena
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Arezzo, about 45 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.