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Weather & Climate
Tewai Siassi, Morobe, Papua New Guinea
Overview
Climate data and monthly weather averages for Tewai Siassi.
Key Metrics
Annual Avg
25.8°C
Summer Avg
26°C
Winter Avg
25.5°C
Record High
30.7°C
Record Low
21.6°C
Annual Precipitation
1552.4 mm
Avg Humidity
83%
Summer Humidity
85%
Winter Humidity
81%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 29.7° | 26° | 23.9° | 200.6 | 86% | 152 | 31.5 |
| Feb | 29.6° | 25.8° | 22.9° | 168.6 | 87% | 139 | 32.1 |
| Mar | 29.4° | 25.6° | 22.9° | 211.1 | 87% | 148 | 32 |
| Apr | 29.3° | 25.8° | 23.2° | 140.7 | 86% | 135 | 28.4 |
| May | 30.1° | 26° | 23.5° | 117.8 | 84% | 125 | 28.7 |
| Jun | 29.1° | 25.8° | 23.3° | 95.1 | 83% | 108 | 33.4 |
| Jul | 29.2° | 25.4° | 22.7° | 96.1 | 81% | 108 | 32.9 |
| Aug | 29.7° | 25.3° | 22.2° | 83.1 | 80% | 123 | 31.2 |
| Sep | 29.4° | 25.5° | 21.6° | 88.8 | 80% | 133 | 31.8 |
| Oct | 30.2° | 25.9° | 22.9° | 83.7 | 79% | 158 | 31.4 |
| Nov | 30.7° | 26.1° | 23.3° | 124.5 | 81% | 149 | 30.2 |
| Dec | 30.6° | 26.2° | 23.6° | 142.3 | 83% | 157 | 30.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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