Monthly weather averages & travel planning

Oceania › 🇳🇿 New Zealand › Auckland
Updated: March 2026
January is a good time to visit Auckland (6/10). With 12 daily sunshine hours and only 9 rain days, this month delivers genuinely reliable outdoor conditions, ranking it the sunniest month of the year in Auckland. Culture-focused travellers and those who prefer lighter crowds will find January a practical choice, with prices running lower than peak January without sacrificing all the good weather. February offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Auckland's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.
Based on 30-year climate normals (1991 to 2020), January in Auckland averages 22°C by day and 17°C overnight, a range that places it in the temperate middle ground of the year. The month records approximately 12 sunshine hours per day and 67mm of total rainfall across 9 wet days, giving it a sunshine-to-rain ratio that is broadly workable for most itineraries.
22°C
72°F
Avg High
17°C
63°F
Avg Low
9 days
67 mm total
Rain Days
12h
per day avg
Sunshine
65%
Moderate
Humidity
The narrow 5°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. Humidity averages 65%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. UV index averages 9 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Wind averages 24 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 72°F average high, 63°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Packing for Auckland in January means dressing for 22°C days and 17°C evenings. A light cotton tee with a casual overshirt works well at 22°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 17°C, a modest 5°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues. A compact foldable umbrella weighs almost nothing and earns its keep across 9 potential rainy days.
Local tip: Layers are more practical than a single heavy garment in Auckland. The day-to-evening temperature shift rewards packing a versatile mid-layer you can add or remove as conditions change.
January has no major festivals or public holidays in Auckland, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
Based on 22°C average highs and 9 rainy days
January in Auckland reflects a mid-latitude climate pattern, with temperatures averaging 22°C by day and 17°C overnight. The city sits at 37 degrees south latitude, where the balance between solar radiation and heat loss drives conditions that are neither extreme nor static. Conditions occupy the comfortable middle band of the annual temperature range, where outdoor activity is feasible without the extremes of midsummer heat or midwinter cold. Day-to-night temperature variation of 5°C is small, typical of maritime-influenced climates. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Auckland in January
January ranks 1st sunniest of the year in Auckland, with an average 12 daily sunshine hours. The driest months are March, January, and February. February is the hottest month (23°C avg high); July is the coolest (14°C). From here, temperatures rise 1°C into February. Compared to last month (December: 21°C high, 11 rain days), January is warmer and drier. January is among the top three sunniest months to visit Auckland.
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 22°C | 17°C | 9 | 12h | View |
| February | 23°C | 17°C | 9 | 11h | View |
| March | 21°C | 16°C | 8 | 10h | View |
| April | 19°C | 14°C | 10 | 9h | View |
| May | 17°C | 12°C | 12 | 8h | View |
| June | 15°C | 11°C | 12 | 7h | View |
| July | 14°C | 9°C | 14 | 7h | View |
| August | 14°C | 9°C | 15 | 9h | View |
| September | 15°C | 10°C | 14 | 10h | View |
| October | 17°C | 12°C | 12 | 11h | View |
| November | 18°C | 13°C | 11 | 12h | View |
| December | 21°C | 15°C | 11 | 12h | View |
January
9 rain days, 12h sun
February
9 rain days, 11h sun
March
8 rain days, 10h sun
April
10 rain days, 9h sun
May
12 rain days, 8h sun
June
12 rain days, 7h sun
July
14 rain days, 7h sun
August
15 rain days, 9h sun
September
14 rain days, 10h sun
October
12 rain days, 11h sun
November
11 rain days, 12h sun
December
11 rain days, 12h sun
Data Sources for Auckland
Climate normals represent 30-year averages (1991-2020). Individual years may vary.