Blenheim weather in February
In February, Blenheim sees average daytime highs of 20°C and overnight lows near 13°C, with 53 mm of rain across 6.3 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 39% of the time in February, and the air most often feels dry.
Daylight stretches from about 14 h 12 min at the start of February to 13 h 06 min by month's end. Set against the rest of the year, February is Blenheim's 4th-clearest and 6th-windiest month. For the whole year in context, see Blenheim's year-round climate.
- Daytime high
- 20°
- 1st warmest
- Overnight low
- 13°
- 12th coldest
- Rainfall
- 53 mm
- 6.3 wet days
- Daylight
- 13 h 42 min
- 6:49 AM – 8:29 PM
- Cloud cover
- 53%
- 4th clearest
- Wind
- 14 km/h
- 6th windiest
- Solar energy
- 6.14 kWh/m²
- Travel score
- 6.9
- out of 10
Blenheim is town in New Zealand.
- Air quality
- Good
- PM10 18.5 µg/m³ · 2012
- Density
- 287/km²
- people per km²
- Founded
- 1850
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in February
Day-to-day highs hold fairly steady near 20°C through the month.
A typical February day in Blenheim reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, February runs on par with January and about 2°C warmer 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) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 13 |
| 2 | 21 | 13 |
| 3 | 21 | 13 |
| 4 | 21 | 13 |
| 5 | 21 | 13 |
| 6 | 21 | 13 |
| 7 | 21 | 13 |
| 8 | 21 | 13 |
| 9 | 21 | 13 |
| 10 | 21 | 13 |
| 11 | 20 | 13 |
| 12 | 20 | 13 |
| 13 | 20 | 13 |
| 14 | 20 | 13 |
| 15 | 20 | 13 |
| 16 | 20 | 13 |
| 17 | 20 | 13 |
| 18 | 20 | 13 |
| 19 | 20 | 13 |
| 20 | 20 | 13 |
| 21 | 20 | 13 |
| 22 | 20 | 13 |
| 23 | 20 | 13 |
| 24 | 20 | 13 |
| 25 | 20 | 13 |
| 26 | 20 | 13 |
| 27 | 20 | 12 |
| 28 | 20 | 12 |
Blenheim weather by month
How February compares with the rest of the year at a glance. February is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 20° / 13° | 60 | 8.1 | 14.7 | 6.6 |
| Feb | 20° / 13° | 53 | 6.3 | 13.7 | 6.9 |
| Mar | 19° / 11° | 53 | 7.1 | 12.3 | 6.6 |
| Apr | 16° / 9° | 67 | 8.2 | 10.9 | 5.5 |
| May | 14° / 7° | 63 | 8.4 | 9.7 | 4.4 |
| Jun | 12° / 5° | 81 | 9.4 | 9.1 | 3.1 |
| Jul | 11° / 5° | 76 | 9.7 | 9.3 | 2.7 |
| Aug | 12° / 5° | 74 | 10.8 | 10.3 | 3.1 |
| Sep | 13° / 7° | 73 | 10.3 | 11.7 | 3.8 |
| Oct | 15° / 8° | 83 | 11.1 | 13.1 | 4.6 |
| Nov | 17° / 10° | 73 | 9.9 | 14.3 | 5.4 |
| Dec | 19° / 12° | 73 | 10.4 | 14.9 | 6.0 |
Cloud cover in February
The sky is clear or mostly clear about 39% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 16% of February, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.
| 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 (%) | 51 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 54 | 55 | 56 | 55 | 56 | 56 | 56 | 57 | 57 | 57 | 56 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 |
| Cloudier (%) | 49 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 46 | 45 | 44 | 45 | 44 | 44 | 44 | 43 | 43 | 43 | 44 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 51 | 49 |
| 2 | 52 | 48 |
| 3 | 52 | 48 |
| 4 | 52 | 48 |
| 5 | 52 | 48 |
| 6 | 52 | 48 |
| 7 | 53 | 47 |
| 8 | 53 | 47 |
| 9 | 53 | 47 |
| 10 | 54 | 46 |
| 11 | 55 | 45 |
| 12 | 56 | 44 |
| 13 | 55 | 45 |
| 14 | 56 | 44 |
| 15 | 56 | 44 |
| 16 | 56 | 44 |
| 17 | 57 | 43 |
| 18 | 57 | 43 |
| 19 | 57 | 43 |
| 20 | 56 | 44 |
| 21 | 57 | 43 |
| 22 | 57 | 43 |
| 23 | 56 | 44 |
| 24 | 56 | 44 |
| 25 | 56 | 44 |
| 26 | 56 | 44 |
| 27 | 56 | 44 |
| 28 | 56 | 44 |
Chance of precipitation in February
Blenheim gets around 53 mm of rain over 6.3 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 22% and peaks near 24% on the wettest days.
| 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 (%) | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Rain chance (%) | |
|---|---|
| 1 | 22 |
| 2 | 21 |
| 3 | 21 |
| 4 | 21 |
| 5 | 20 |
| 6 | 20 |
| 7 | 20 |
| 8 | 20 |
| 9 | 20 |
| 10 | 20 |
| 11 | 20 |
| 12 | 20 |
| 13 | 21 |
| 14 | 21 |
| 15 | 22 |
| 16 | 22 |
| 17 | 22 |
| 18 | 23 |
| 19 | 23 |
| 20 | 23 |
| 21 | 23 |
| 22 | 24 |
| 23 | 24 |
| 24 | 24 |
| 25 | 24 |
| 26 | 24 |
| 27 | 24 |
| 28 | 24 |
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 58% 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 (%) | 58 | 59 | 59 | 59 | 59 | 60 | 60 | 59 | 59 | 58 | 58 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 56 | 56 | 56 | 57 | 58 | 59 | 60 | 62 | 63 | 65 |
| Comfortable (%) | 32 | 31 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 36 | 37 | 38 | 38 | 39 | 39 | 38 | 38 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 31 |
| Humid (%) | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 58 | 32 | 10 |
| 2 | 59 | 31 | 10 |
| 3 | 59 | 32 | 9 |
| 4 | 59 | 32 | 9 |
| 5 | 59 | 32 | 9 |
| 6 | 60 | 32 | 8 |
| 7 | 60 | 32 | 8 |
| 8 | 59 | 33 | 8 |
| 9 | 59 | 33 | 8 |
| 10 | 58 | 34 | 8 |
| 11 | 58 | 34 | 8 |
| 12 | 57 | 35 | 8 |
| 13 | 56 | 36 | 8 |
| 14 | 56 | 37 | 7 |
| 15 | 55 | 38 | 7 |
| 16 | 55 | 38 | 7 |
| 17 | 54 | 39 | 7 |
| 18 | 54 | 39 | 7 |
| 19 | 56 | 38 | 6 |
| 20 | 56 | 38 | 6 |
| 21 | 56 | 38 | 6 |
| 22 | 57 | 37 | 6 |
| 23 | 58 | 37 | 5 |
| 24 | 59 | 36 | 5 |
| 25 | 60 | 35 | 5 |
| 26 | 62 | 34 | 4 |
| 27 | 63 | 33 | 4 |
| 28 | 65 | 31 | 4 |
Wind in February
Winds average 14 km/h in February.
Across February, daily wind ranges from about 14 km/h on the calmest days to 15 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) | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
Sunrise & sunset in February
Daylight runs from about 14 h 12 min at the start of February to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over February. Sunrise moves from 6:31 AM to 7:05 AM, and sunset from 8:44 PM to 8:10 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) | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 |
| Sunrise (AM) | 6:31 | 6:33 | 6:34 | 6:35 | 6:36 | 6:38 | 6:39 | 6:40 | 6:41 | 6:43 | 6:44 | 6:45 | 6:46 | 6:48 | 6:49 | 6:50 | 6:51 | 6:53 | 6:54 | 6:55 | 6:56 | 6:58 | 6:59 | 7:00 | 7:01 | 7:02 | 7:04 | 7:05 |
| Sunset (PM) | 8:44 | 8:43 | 8:42 | 8:41 | 8:40 | 8:39 | 8:38 | 8:37 | 8:36 | 8:35 | 8:34 | 8:32 | 8:31 | 8:30 | 8:29 | 8:27 | 8:26 | 8:25 | 8:23 | 8:22 | 8:21 | 8:19 | 8:18 | 8:16 | 8:15 | 8:13 | 8:12 | 8:10 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 6:31 | 8:44 |
| 2 | 14.2 | 6:33 | 8:43 |
| 3 | 14.1 | 6:34 | 8:42 |
| 4 | 14.1 | 6:35 | 8:41 |
| 5 | 14.1 | 6:36 | 8:40 |
| 6 | 14.0 | 6:38 | 8:39 |
| 7 | 14.0 | 6:39 | 8:38 |
| 8 | 13.9 | 6:40 | 8:37 |
| 9 | 13.9 | 6:41 | 8:36 |
| 10 | 13.9 | 6:43 | 8:35 |
| 11 | 13.8 | 6:44 | 8:34 |
| 12 | 13.8 | 6:45 | 8:32 |
| 13 | 13.7 | 6:46 | 8:31 |
| 14 | 13.7 | 6:48 | 8:30 |
| 15 | 13.7 | 6:49 | 8:29 |
| 16 | 13.6 | 6:50 | 8:27 |
| 17 | 13.6 | 6:51 | 8:26 |
| 18 | 13.5 | 6:53 | 8:25 |
| 19 | 13.5 | 6:54 | 8:23 |
| 20 | 13.4 | 6:55 | 8:22 |
| 21 | 13.4 | 6:56 | 8:21 |
| 22 | 13.4 | 6:58 | 8:19 |
| 23 | 13.3 | 6:59 | 8:18 |
| 24 | 13.3 | 7:00 | 8:16 |
| 25 | 13.2 | 7:01 | 8:15 |
| 26 | 13.2 | 7:02 | 8:13 |
| 27 | 13.1 | 7:04 | 8:12 |
| 28 | 13.1 | 7:05 | 8:10 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 6.14 kWh/m².
For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 7.31 kWh/m² in January across the year — February's 6.14 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) | 6.7 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.7 | Intense |
| 2 | 6.6 | Intense |
| 3 | 6.6 | Intense |
| 4 | 6.6 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.2 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.1 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.0 | Intense |
| 19 | 6.0 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.6 | Bright |
| 28 | 5.6 | Bright |
Is February a good time to visit Blenheim?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a reasonable time to visit Blenheim for sightseeing.
What to pack for Blenheim in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Blenheim sees daytime highs around 20°C and nights near 13°C. Pack sun protection. About 6 days see rain.
Sea temperature near Blenheim in February
The nearest coast averages about 17°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in February at about 17°C and coldest in August near 12°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 15 |
| Comfort | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 17 | Cool |
| Mar | 16 | Cool |
| Apr | 15 | Cool |
| May | 14 | Bracing |
| Jun | 13 | Bracing |
| Jul | 12 | Bracing |
| Aug | 12 | Bracing |
| Sep | 12 | Bracing |
| Oct | 13 | Bracing |
| Nov | 14 | Bracing |
| Dec | 15 | Bracing |
UV index in Blenheim in February
Clear-sky midday UV in February peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Blenheim peaks around January 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 10 | 6 | 4 | 2 | 1 | 2 | 3 | 4 | 6 | 9 | 11 |
| Level | Extreme | Extreme | High | Moderate | Low | Low | Low | Moderate | Moderate | High | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 10 | Extreme |
| Mar | 6 | High |
| Apr | 4 | Moderate |
| May | 2 | Low |
| Jun | 1 | Low |
| Jul | 2 | Low |
| Aug | 3 | Moderate |
| Sep | 4 | Moderate |
| Oct | 6 | High |
| Nov | 9 | Very high |
| Dec | 11 | Extreme |
Where is Blenheim?
Blenheim sits at 41.5°S, 174.0°E, 9 m above sea level, in New Zealand. The nearest listed city is Picton, 25 km away.
Topography around Blenheim
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Blenheim.
Within 3 km, the terrain around Blenheim has only modest variations in elevation — a maximum elevation change of 79 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 899 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,829 m.
The land around Blenheim is covered by grassland (47%) and artificial surfaces (32%) within 3 km, grassland (53%) and trees (24%) within 16 km, and water (47%), trees (28%) and grassland (21%) within 80 km.
New Zealand travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 86% of US
- price level, 2025
- GDP per capita
- $49,591
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2022
- Road deaths
- 9.6
- 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 Blenheim (-41.516°, 173.9528°, elevation 9 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).