Weather in Aiwo

Calculated from weather data of Nauru International Airport (ANYN) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	30.4	30.6	30.5	30.1	30.0	31.1
February	30.1	30.8	30.5	30.5	29.8	26.8
March	30.6	30.8	30.6	30.5	30.3	30.8
April	30.4	30.6	30.5	30.3	30.1	30.3
May	30.4		30.8	30.1	30.3	30.5
June	30.3		30.1	29.8	30.3	30.8
July	30.4		30.3	30.3	30.3	30.8
August	30.5		30.6	30.3	30.8	30.1
September	30.4		30.6	30.1	31.0	29.6
October	30.6		30.3	30.6	30.3	30.5
November	30.6		30.5	30.6	30.3	30.8
December	30.4		30.1	30.3	30.3	30.5
Average	30.5	30.7	30.4	30.3	30.3	30.4

1st highest temperature of Nauru

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	26.1	27	27	26	27	24
February	26.0	27	27	27	24	25
March	25.7	24	28	27	27	23
April	26.2	26	28	26	25	26
May	26.2		28	27	24	26
June	25.2		27	27	23	25
July	26.3		26	28	26	27
August	26.6		28	29	26	24
September	26.1		27	29	25	25
October	26.6		24	27	27	27
November	26.1		26	27	25	25
December	26.7		26	26	26	27
Average	26.4	26.1	26.6	26.9	25.3	25.3

1st lowest temperature of Nauru

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	85	220	161	165	193
25 °C or warmer	118	361	284	355	321
20 °C or warmer	118	361	284	355	322
0 °C or colder	0	0	0	0	0

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	2.5	2	4	1	1	5
February	2.9	7	0	2	1	5
March	3.0	5	0	0	1	8
April	2.2	2	3	0	5	1
May	3.4		4	1	8	1
June	4.6		12	0	4	0
July	4.2		10	0	3	1
August	2.1		6	0	0	0
September	0.0		0	0	0	0
October	0.9		2	0	1	0
November	4.0		9	0	0	0
December	3.5		6	2	1	0
Average	3.5	4.2	4.9	0.4	1.9	1.7

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	12.2	10	15	13	16	9
February	15.9	12	15	14	15	77
March	14.2	12	13	13	13	21
April	14.6	11	12	15	10	26
May	13.6		18	14	15	9
June	9.6		8	12	10	10
July	10.7		8	16	12	11
August	11.5		7	19	11	15
September	12.0		9	16	14	12
October	11.6		10	14	13	12
November	11.9		10	12	15	14
December	11.1		9	14	12	13
Average	12.1	11.2	11.0	13.8	13.0	14.8

1st highest wind speed of Nauru

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	N	E	NE	E	W
February	NE	NE	NE	NE	NE
March	NE	E	E	E	E
April	NE	E	E	E	E
May		SE	E	E	E
June		E	E	E	E
July		E	E	E	E
August		S	E	E	E
September		NW	E	E	E
October		W	E	E	E
November		W	E	E	E
December		NW	E	E	E

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Aiwo weather Q&A

What is the warmest month in Aiwo?

The warmest month is November with an average temperature of 31 °C over the past years.

What is the coldest month in Aiwo?

The coldest month is February with an average daytime temperature of 30 °C in the past few years.

Which month is the wettest in Aiwo?

Chance of precipitation is the highest in June with a probability of around 4.7 %.

Which month is the driest in Aiwo?

The least rainfall and snow can be expected in September. The probability is about 0.0 %.