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Concarneau vs Seattle
Comparing Concarneau change · Seattle change
Concarneau and Seattle have nearly identical year-round temperatures; Seattle is the wetter, with 6 in more rain a year, and Seattle the sunnier.
How the seasons compare
The differences between Concarneau and Seattle, in everyday terms.
Summers
Seattle has hotter summers
Concarneau: Mild
Seattle: Mild
Winters
Winters are similar
Concarneau: Chilly
Seattle: Chilly
Rain & snow
Seattle is wetter
Concarneau: Moderate rainfall
Seattle: Moderate rainfall
Sky
Seattle is sunnier
Concarneau: Often grey
Seattle: Often cloudy
Month-by-month charts
Temperature
Concarneau and Seattle run remarkably close all year.
Precipitation
Seattle is the wetter — about 6 in more across the year.
Clear skies
Seattle 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) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concarneau | 49 | 50 | 54 | 58 | 63 | 68 | 71 | 71 | 68 | 61 | 55 | 50 |
| Seattle | 48 | 50 | 54 | 59 | 66 | 71 | 77 | 78 | 72 | 61 | 52 | 47 |
| Difference | -1 | — | — | +1 | +3 | +3 | +7 | +6 | +4 | -1 | -3 | -3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Concarneau | 49 | 50 | 54 | 58 | 63 | 68 |
| Seattle | 48 | 50 | 54 | 59 | 66 | 71 |
| Difference | -1 | — | — | +1 | +3 | +3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Concarneau | 71 | 71 | 68 | 61 | 55 | 50 |
| Seattle | 77 | 78 | 72 | 61 | 52 | 47 |
| Difference | +7 | +6 | +4 | -1 | -3 | -3 |
Avg low (°F) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concarneau | 40 | 39 | 42 | 43 | 48 | 53 | 56 | 56 | 53 | 49 | 44 | 41 |
| Seattle | 38 | 38 | 40 | 43 | 49 | 53 | 57 | 57 | 54 | 47 | 41 | 37 |
| Difference | -2 | -2 | -2 | — | +1 | — | +1 | +1 | +1 | -2 | -3 | -4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Concarneau | 40 | 39 | 42 | 43 | 48 | 53 |
| Seattle | 38 | 38 | 40 | 43 | 49 | 53 |
| Difference | -2 | -2 | -2 | — | +1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Concarneau | 56 | 56 | 53 | 49 | 44 | 41 |
| Seattle | 57 | 57 | 54 | 47 | 41 | 37 |
| Difference | +1 | +1 | +1 | -2 | -3 | -4 |
Precipitation (in) Seattle runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concarneau | 3.9 | 3.5 | 2.3 | 2.2 | 1.9 | 2.1 | 2 | 1.8 | 1.6 | 3.4 | 4.3 | 4.2 |
| Seattle | 5.8 | 3.8 | 4.2 | 3.2 | 1.9 | 1.5 | 0.6 | 1 | 1.6 | 3.9 | 6.3 | 5.7 |
| Difference | +1.8 | +0.2 | +1.9 | +1 | — | -0.6 | -1.4 | -0.8 | +0.1 | +0.5 | +2.1 | +1.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Concarneau | 3.9 | 3.5 | 2.3 | 2.2 | 1.9 | 2.1 |
| Seattle | 5.8 | 3.8 | 4.2 | 3.2 | 1.9 | 1.5 |
| Difference | +1.8 | +0.2 | +1.9 | +1 | — | -0.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Concarneau | 2 | 1.8 | 1.6 | 3.4 | 4.3 | 4.2 |
| Seattle | 0.6 | 1 | 1.6 | 3.9 | 6.3 | 5.7 |
| Difference | -1.4 | -0.8 | +0.1 | +0.5 | +2.1 | +1.5 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concarneau | — | — | — | — | — | — | — | — | — | — | — | — |
| Seattle | 1.8 | 2.2 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 1.7 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Concarneau | — | — | — | — | — | — |
| Seattle | 1.8 | 2.2 | 0.4 | 0 | 0 | 0 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Concarneau | — | — | — | — | — | — |
| Seattle | 0 | 0 | 0 | 0 | 0.2 | 1.7 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Concarneau runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concarneau | 84 | 81 | 76 | 69 | 68 | 66 | 65 | 66 | 65 | 74 | 81 | 83 |
| Seattle | 76 | 72 | 74 | 73 | 69 | 66 | 48 | 48 | 51 | 66 | 75 | 75 |
| Difference | -8 | -10 | -2 | +3 | +1 | — | -17 | -18 | -14 | -8 | -6 | -8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Concarneau | 84 | 81 | 76 | 69 | 68 | 66 |
| Seattle | 76 | 72 | 74 | 73 | 69 | 66 |
| Difference | -8 | -10 | -2 | +3 | +1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Concarneau | 65 | 66 | 65 | 74 | 81 | 83 |
| Seattle | 48 | 48 | 51 | 66 | 75 | 75 |
| Difference | -17 | -18 | -14 | -8 | -6 | -8 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concarneau | 88 | 87 | 86 | 84 | 83 | 82 | 81 | 80 | 81 | 85 | 86 | 88 |
| Seattle | 90 | 87 | 85 | 82 | 80 | 80 | 78 | 76 | 77 | 83 | 89 | 90 |
| Difference | +3 | — | -1 | -2 | -3 | -2 | -3 | -4 | -4 | -1 | +3 | +3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Concarneau | 88 | 87 | 86 | 84 | 83 | 82 |
| Seattle | 90 | 87 | 85 | 82 | 80 | 80 |
| Difference | +3 | — | -1 | -2 | -3 | -2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Concarneau | 81 | 80 | 81 | 85 | 86 | 88 |
| Seattle | 78 | 76 | 77 | 83 | 89 | 90 |
| Difference | -3 | -4 | -4 | -1 | +3 | +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. Concarneau trends → · Seattle trends →
Methodology & sources
Concarneau
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Quimper Pluguffan, a weather station, about 22 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.
Seattle
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Seattle Tacoma AP (NOAA GHCN station USW00024233), about 18 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.
← change Concarneau · change Seattle → · Concarneau page · Seattle page