Chilliwack-Downtown weather in February
In February, Chilliwack-Downtown sees average daytime highs of 4°C and overnight lows near -2°C, with 212 mm of precipitation across 16.3 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 4°C through the month. The sky is clear or mostly clear about 19% of the time in February, and the air most often feels dry.
Daylight stretches from about 9 h 06 min at the start of February to 10 h 36 min by month's end. Set against the rest of the year, February is Chilliwack-Downtown's 7th-clearest and 3rd-windiest month. For the whole year in context, see Chilliwack-Downtown's year-round climate.
- Daytime high
- 4°
- 10th warmest
- Overnight low
- -2°
- 3rd coldest
- Precipitation
- 212 mm
- 16.3 wet days
- Daylight
- 9 h 48 min
- 7:28 AM – 5:17 PM
- Cloud cover
- 72%
- 7th clearest
- Wind
- 5 km/h
- 3rd windiest
- Solar energy
- 1.84 kWh/m²
- Travel score
- 0.0
- out of 10
Temperature in February
Day-to-day highs hold fairly steady near 4°C through the month.
A typical February day in Chilliwack-Downtown reaches about 4°C in the afternoon and slips back to -2°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 8°C. Set against its neighbours, February runs about 2°C warmer than January and about 2°C cooler than March.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |
| Avg low (°C) | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 3 | -1 |
| 2 | 3 | -1 |
| 3 | 3 | -1 |
| 4 | 3 | -1 |
| 5 | 4 | -1 |
| 6 | 4 | -1 |
| 7 | 4 | -1 |
| 8 | 4 | -1 |
| 9 | 4 | -2 |
| 10 | 4 | -2 |
| 11 | 4 | -2 |
| 12 | 4 | -2 |
| 13 | 4 | -2 |
| 14 | 4 | -2 |
| 15 | 4 | -2 |
| 16 | 4 | -2 |
| 17 | 4 | -2 |
| 18 | 4 | -2 |
| 19 | 4 | -2 |
| 20 | 4 | -2 |
| 21 | 4 | -2 |
| 22 | 4 | -2 |
| 23 | 4 | -2 |
| 24 | 4 | -2 |
| 25 | 4 | -2 |
| 26 | 5 | -2 |
| 27 | 5 | -2 |
| 28 | 5 | -2 |
How February really feels in Chilliwack-Downtown
Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in February is cold — wind chill drags the overnight "feels like" below the raw low.
Chilliwack-Downtown weather by month
How February compares with the rest of the year at a glance. February is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 2° / -2° | 342 | 19.7 | 15.8 | 8.5 | 0.0 |
| Feb | 4° / -2° | 212 | 16.3 | 12.4 | 9.8 | 0.0 |
| Mar | 6° / -1° | 263 | 20 | 14.5 | 11.6 | 0.5 |
| Apr | 10° / 2° | 172 | 17.3 | 7.3 | 13.4 | 1.9 |
| May | 15° / 6° | 122 | 14.8 | 2 | 15 | 3.9 |
| Jun | 17° / 8° | 102 | 14.4 | 0.1 | 15.9 | 4.8 |
| Jul | 21° / 11° | 61 | 8.8 | 0 | 15.6 | 6.7 |
| Aug | 21° / 11° | 74 | 8.6 | 0 | 14.2 | 6.8 |
| Sep | 17° / 8° | 124 | 11.1 | 0 | 12.4 | 5.5 |
| Oct | 11° / 5° | 256 | 17.4 | 2.2 | 10.5 | 2.4 |
| Nov | 5° / 1° | 372 | 20.5 | 12.1 | 8.9 | 0.2 |
| Dec | 2° / -2° | 325 | 20 | 16.8 | 8.1 | 0.0 |
Cloud cover in February
The sky is clear or mostly clear about 19% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 9% of February, with mostly cloudy or overcast conditions the remaining 72%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 29 |
| Cloudier (%) | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 74 | 74 | 74 | 73 | 73 | 72 | 71 | 71 | 70 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 69 | 69 | 70 | 70 | 71 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 24 | 76 |
| 2 | 24 | 76 |
| 3 | 24 | 76 |
| 4 | 24 | 76 |
| 5 | 24 | 76 |
| 6 | 25 | 75 |
| 7 | 25 | 75 |
| 8 | 26 | 74 |
| 9 | 26 | 74 |
| 10 | 26 | 74 |
| 11 | 27 | 73 |
| 12 | 27 | 73 |
| 13 | 28 | 72 |
| 14 | 29 | 71 |
| 15 | 29 | 71 |
| 16 | 30 | 70 |
| 17 | 31 | 69 |
| 18 | 31 | 69 |
| 19 | 31 | 69 |
| 20 | 32 | 68 |
| 21 | 32 | 68 |
| 22 | 32 | 68 |
| 23 | 32 | 68 |
| 24 | 31 | 69 |
| 25 | 31 | 69 |
| 26 | 30 | 70 |
| 27 | 30 | 70 |
| 28 | 29 | 71 |
Chance of precipitation in February
Chilliwack-Downtown gets around 212 mm of rain and snow over 16.3 wet days in February. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 59% and peaks near 61% on the wettest days, and about 12 days bring snow.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 61 | 60 | 60 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 |
| Snow chance (%) | 44 | 44 | 43 | 42 | 42 | 41 | 41 | 41 | 41 | 42 | 42 | 43 | 44 | 45 | 46 | 46 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 61 | 44 |
| 2 | 60 | 44 |
| 3 | 60 | 43 |
| 4 | 59 | 42 |
| 5 | 59 | 42 |
| 6 | 59 | 41 |
| 7 | 59 | 41 |
| 8 | 58 | 41 |
| 9 | 58 | 41 |
| 10 | 58 | 42 |
| 11 | 58 | 42 |
| 12 | 58 | 43 |
| 13 | 58 | 44 |
| 14 | 59 | 45 |
| 15 | 59 | 46 |
| 16 | 59 | 46 |
| 17 | 59 | 47 |
| 18 | 59 | 48 |
| 19 | 60 | 48 |
| 20 | 60 | 49 |
| 21 | 60 | 49 |
| 22 | 60 | 50 |
| 23 | 60 | 50 |
| 24 | 60 | 50 |
| 25 | 61 | 50 |
| 26 | 61 | 50 |
| 27 | 61 | 50 |
| 28 | 61 | 50 |
Humidity in February
Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
Wind in February
Winds average 5 km/h in February.
Across February, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
Sunrise & sunset in February
Daylight runs from about 9 h 06 min at the start of February to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 90 minutes over February. Sunrise moves from 7:49 AM to 7:04 AM, and sunset from 4:54 PM to 5:38 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 | 9.4 | 9.4 | 9.5 | 9.5 | 9.6 | 9.7 | 9.7 | 9.8 | 9.8 | 9.9 | 9.9 | 10.0 | 10.0 | 10.1 | 10.2 | 10.2 | 10.3 | 10.3 | 10.4 | 10.5 | 10.5 | 10.6 |
| Sunrise (AM) | 7:49 | 7:48 | 7:46 | 7:45 | 7:43 | 7:42 | 7:41 | 7:39 | 7:38 | 7:36 | 7:34 | 7:33 | 7:31 | 7:30 | 7:28 | 7:26 | 7:25 | 7:23 | 7:21 | 7:19 | 7:17 | 7:16 | 7:14 | 7:12 | 7:10 | 7:08 | 7:06 | 7:04 |
| Sunset (PM) | 4:54 | 4:56 | 4:57 | 4:59 | 5:00 | 5:02 | 5:04 | 5:05 | 5:07 | 5:09 | 5:10 | 5:12 | 5:14 | 5:15 | 5:17 | 5:19 | 5:20 | 5:22 | 5:24 | 5:25 | 5:27 | 5:29 | 5:30 | 5:32 | 5:33 | 5:35 | 5:37 | 5:38 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.1 | 7:49 | 4:54 |
| 2 | 9.1 | 7:48 | 4:56 |
| 3 | 9.2 | 7:46 | 4:57 |
| 4 | 9.2 | 7:45 | 4:59 |
| 5 | 9.3 | 7:43 | 5:00 |
| 6 | 9.3 | 7:42 | 5:02 |
| 7 | 9.4 | 7:41 | 5:04 |
| 8 | 9.4 | 7:39 | 5:05 |
| 9 | 9.5 | 7:38 | 5:07 |
| 10 | 9.5 | 7:36 | 5:09 |
| 11 | 9.6 | 7:34 | 5:10 |
| 12 | 9.7 | 7:33 | 5:12 |
| 13 | 9.7 | 7:31 | 5:14 |
| 14 | 9.8 | 7:30 | 5:15 |
| 15 | 9.8 | 7:28 | 5:17 |
| 16 | 9.9 | 7:26 | 5:19 |
| 17 | 9.9 | 7:25 | 5:20 |
| 18 | 10.0 | 7:23 | 5:22 |
| 19 | 10.0 | 7:21 | 5:24 |
| 20 | 10.1 | 7:19 | 5:25 |
| 21 | 10.2 | 7:17 | 5:27 |
| 22 | 10.2 | 7:16 | 5:29 |
| 23 | 10.3 | 7:14 | 5:30 |
| 24 | 10.3 | 7:12 | 5:32 |
| 25 | 10.4 | 7:10 | 5:33 |
| 26 | 10.5 | 7:08 | 5:35 |
| 27 | 10.5 | 7:06 | 5:37 |
| 28 | 10.6 | 7:04 | 5:38 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 1.84 kWh/m².
For context, solar energy here swings from a low near 0.77 kWh/m² to a high of 5.91 kWh/m² in July across the year — February's 1.84 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 1.3 | 1.3 | 1.4 | 1.4 | 1.4 | 1.5 | 1.5 | 1.6 | 1.6 | 1.6 | 1.7 | 1.7 | 1.8 | 1.8 | 1.8 | 1.9 | 1.9 | 2.0 | 2.0 | 2.0 | 2.1 | 2.1 | 2.1 | 2.2 | 2.2 | 2.3 | 2.3 | 2.3 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.3 | Dim |
| 2 | 1.3 | Dim |
| 3 | 1.4 | Dim |
| 4 | 1.4 | Dim |
| 5 | 1.4 | Dim |
| 6 | 1.5 | Dim |
| 7 | 1.5 | Dim |
| 8 | 1.6 | Dim |
| 9 | 1.6 | Dim |
| 10 | 1.6 | Dim |
| 11 | 1.7 | Dim |
| 12 | 1.7 | Dim |
| 13 | 1.8 | Dim |
| 14 | 1.8 | Dim |
| 15 | 1.8 | Dim |
| 16 | 1.9 | Dim |
| 17 | 1.9 | Dim |
| 18 | 2.0 | Dim |
| 19 | 2.0 | Moderate |
| 20 | 2.0 | Moderate |
| 21 | 2.1 | Moderate |
| 22 | 2.1 | Moderate |
| 23 | 2.1 | Moderate |
| 24 | 2.2 | Moderate |
| 25 | 2.2 | Moderate |
| 26 | 2.3 | Moderate |
| 27 | 2.3 | Moderate |
| 28 | 2.3 | Moderate |
Hazard calendar for Chilliwack-Downtown
In February, Chilliwack-Downtown sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Chilliwack-Downtown's rainy season runs October–April, when most of the year's rain falls.
Is February a good time to visit Chilliwack-Downtown?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a weaker month for outdoor sightseeing in Chilliwack-Downtown.
What to pack for Chilliwack-Downtown in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Chilliwack-Downtown sees daytime highs around 4°C and nights near -2°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 16 days see rain.
UV index in Chilliwack-Downtown in February
Clear-sky midday UV in February peaks around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chilliwack-Downtown peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 17 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 4 | 4 | 7 | 6 | 8 | 6 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 4 | Moderate |
| Apr | 4 | Moderate |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Chilliwack-Downtown in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in Chilliwack-Downtown is worst in August — around 21 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 9 | 11 | 11 | 12 | 12 | 13 | 21 | 12 | 11 | 9 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 12 | Good |
| Jun | 12 | Good |
| Jul | 13 | Moderate |
| Aug | 21 | Moderate |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 9 | Good |
| Dec | 6 | Good |
Where is Chilliwack-Downtown?
Chilliwack-Downtown sits at 49.2°N, 122.0°W, 8 m above sea level, in Canada. The nearest listed city is Chilliwack, 1.0 km away.
Topography around Chilliwack-Downtown
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chilliwack-Downtown.
Within 3 km, the terrain around Chilliwack-Downtown has only modest variations in elevation — a maximum elevation change of 107 m around an average of 12 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,683 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,275 m.
The land around Chilliwack-Downtown is covered by trees (28%), artificial surfaces (28%) and grassland (26%) within 3 km, trees (62%) within 16 km, and trees (72%) within 80 km.
Canada travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 83% of US
- price level, 2025
- GDP per capita
- $55,698
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 2
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chilliwack-Downtown (49.1643°, -121.9591°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).